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Compositae taxon details

Senecio L.

382425  (urn:lsid:marinespecies.org:taxname:382425)

  1. Biota
  2. Plantae (Kingdom)
  3. Viridiplantae (Subkingdom)
  4. Streptophyta (Infrakingdom)
  5. Tracheophyta (Phylum (Division))
  6. Spermatophytina (Subphylum (Subdivision))
  7. Magnoliopsida (Class)
  8. Asteranae (Superorder)
  9. Asterales (Order)
  10. Compositae (Family)
  11. Asteroideae (Subfamily)
  12. Senecioneae (Tribe)
  13. Senecio (Genus)
accepted
Genus
Acleia DC. · unaccepted
Adenotrichia Lindl. · unaccepted
Anecio Neck. · unaccepted
Aspelina Cass. · unaccepted
Brachypappus Sch.Bip. · unaccepted
Brachyrhynchos Less. · unaccepted
Danaa Colla · unaccepted
Eudorus Cass. · unaccepted
Madaractis DC. · unaccepted
Sclerobasis Cass. · unaccepted
Synarthrum Cass. · unaccepted

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  1. Species Senecio ×embergeri
  2. Species Senecio ×pirottae Chiov.
    1. Variety Senecio ×pirottae var. ×pirottae accepted as Senecio ×pirottae Chiov.
    2. Variety Senecio ×pirottae var. infundibularis Chiov. accepted as Senecio ×pirottae Chiov.
    3. Variety Senecio ×pirottae var. infundibuliformis Chiov. accepted as Senecio ×pirottae Chiov.
  3. Species Senecio abadianus DC.
    1. Variety Senecio abadianus var. abadianus accepted as Senecio abadianus DC.
    2. Variety Senecio abadianus var. araneosus DC. (uncertain > unassessed)
  4. Species Senecio abbreviatus S.Moore
  5. Species Senecio aberrans Greenm.
  6. Species Senecio abrotanifolius Gouan
    1. Subspecies Senecio abrotanifolius subsp. abrotanifolius accepted as Senecio abrotanifolius Gouan
    2. Subspecies Senecio abrotanifolius subsp. tyrolensis (uncertain > unassessed)
  7. Species Senecio abruptus Thunb.
  8. Species Senecio acanthifolius Hombr. & Jacq.
    1. Subspecies Senecio acanthifolius subsp. acanthifolius
    2. Subspecies Senecio acanthifolius subsp. virens (Phil.)
    3. Variety Senecio acanthifolius var. acanthifolius accepted as Senecio acanthifolius Hombr. & Jacq.
    4. Variety Senecio acanthifolius var. virens (Phil.) Cabrera & Zardini (uncertain > unassessed)
  9. Species Senecio acarinus Cabrera
  10. Species Senecio acaulis (L.f.) Sch.Bip.
  11. Species Senecio acetosifolius Baker
  12. Species Senecio achalensis Cabrera
  13. Species Senecio achilleifolius DC.
    1. Variety Senecio achilleifolius var. achilleifolius accepted as Senecio achilleifolius DC.
    2. Variety Senecio achilleifolius var. glanduloso-scaber Thell. accepted as Senecio achilleifolius DC.
    3. Variety Senecio achilleifolius var. glaucescens (DC.) Harv. accepted as Senecio achilleifolius DC.
  14. Species Senecio acroleucus Merxm.
  15. Species Senecio actinella Greene
    1. Variety Senecio actinella var. actinella accepted as Senecio actinella Greene
    2. Variety Senecio actinella var. mogollonicus (Greene) Greenm. accepted as Senecio actinella Greene
  16. Species Senecio actinotus Hand.-Mazz.
    1. Forma Senecio actinotus f. actinotus accepted as Senecio actinotus Hand.-Mazz.
    2. Forma Senecio actinotus f. simplicifolius Ling accepted as Senecio actinotus Hand.-Mazz.
  17. Species Senecio acutangulus (Bertol.) Hemsl.
  18. Species Senecio acutifolius DC.
  19. Species Senecio acutipinnus Hand.-Mazz.
  20. Species Senecio adamantinus Bong.
    1. Variety Senecio adamantinus var. adamantinus
    2. Variety Senecio adamantinus var. integrifolius Baker
  21. Species Senecio adenodontus DC.
  22. Species Senecio adenophyllus Meyen & Walp.
    1. Variety Senecio adenophyllus var. adenophyllus accepted as Senecio adenophyllus Meyen & Walp.
    2. Variety Senecio adenophyllus var. angustifolius Wedd. accepted as Senecio phylloleptus Cuatrec.
    3. Variety Senecio adenophyllus var. oblongifolia Wedd. accepted as Senecio adenophyllus Meyen & Walp.
    4. Variety Senecio adenophyllus var. oblongifolius Wedd. accepted as Senecio adenophyllus Meyen & Walp.
    5. Variety Senecio adenophyllus var. stipulata Domke accepted as Senecio phylloleptus Cuatrec.
    6. Variety Senecio adenophyllus var. angustipinnatus Cuatrec. (uncertain > unassessed)
    7. Variety Senecio adenophyllus var. glabratus Wedd. (uncertain > unassessed)
  23. Species Senecio adenotrichius DC.
  24. Species Senecio adglacialis Cuatrec.
  25. Species Senecio adnatus DC.
    1. Variety Senecio adnatus var. adnatus accepted as Senecio adnatus DC.
    2. Variety Senecio adnatus var. monactis (Sch.Bip.) Sch.Bip. accepted as Senecio humidanus C.Jeffrey
  26. Species Senecio adrianicus Cabrera
  27. Species Senecio aegyptius L.
    1. Variety Senecio aegyptius var. aegyptius L.
    2. Variety Senecio aegyptius var. discoideus Boiss.
    3. Subspecies Senecio aegyptius subsp. aegyptius accepted as Senecio aegyptius L.
    4. Subspecies Senecio aegyptius subsp. thebanus Kadereit (uncertain > unassessed)
  28. Species Senecio aequinoctialis R.E.Fr.
  29. Species Senecio affinis DC.
  30. Species Senecio alatipes Greenm.
  31. Species Senecio alatopetiolatus J.Calvo, E.Freire & Sklenář
  32. Species Senecio albanensis DC.
    1. Variety Senecio albanensis var. albanensis DC.
    2. Variety Senecio albanensis var. doroniciflorus (DC.) Harv.
    3. Variety Senecio albanensis var. leiophyllus Harv. accepted as Senecio affinis DC.
    4. Variety Senecio albanensis var. pseudodecurrens Thell. accepted as Senecio affinis DC.
  33. Species Senecio albaniae H.Beltrán
  34. Species Senecio albanopsis Hilliard
  35. Species Senecio alberti-smithii Cuatrec.
  36. Species Senecio albicaulis Hook. & Arn.
    1. Variety Senecio albicaulis var. albicaulis accepted as Senecio albicaulis Hook. & Arn.
    2. Variety Senecio albicaulis var. gilliesii Hook. & Arn. accepted as Senecio filaginoides DC.
    3. Variety Senecio albicaulis var. glabriusculus Griseb. accepted as Senecio viravira Hieron.
    4. Variety Senecio albicaulis var. lobulatus Hook. & Arn. accepted as Senecio filaginoides DC.
    5. Variety Senecio albicaulis var. pinnatifidus Hook. & Arn. accepted as Senecio leucostachys Baker
    6. Variety Senecio albicaulis var. alfa gilliesii Hook. & Arn. (uncertain > unassessed)
    7. Variety Senecio albicaulis var. candolleanus Hauman (uncertain > unassessed)
    8. Variety Senecio albicaulis var. nudiusculus J.Rémy (uncertain > unassessed)
    9. Variety Senecio albicaulis var. subglaber Hook. & Arn. (uncertain > unassessed)
  37. Species Senecio albifolius DC.
  38. Species Senecio albogilvus I.Thomps.
  39. Species Senecio albolutescens Sch.Bip.
  40. Species Senecio albonervius Greenm.
  41. Species Senecio albo-punctatus Bolus
  42. Species Senecio albopurpureus Kitam.
  43. Species Senecio albus J.N.Nakaj. & A.M.Teles
  44. Species Senecio alcicornis Hook. & Arn.
  45. Species Senecio algens Wedd.
    1. Variety Senecio algens var. algens accepted as Senecio algens Wedd.
    2. Variety Senecio algens var. major Sch.Bip. accepted as Senecio algens Wedd.
    3. Variety Senecio algens var. minor Sch.Bip. accepted as Senecio algens Wedd.
  46. Species Senecio alienus B.L.Rob. & Seaton
  47. Species Senecio alleizettei (Humbert) Humbert
    1. Subspecies Senecio alleizettei subsp. alleizettei accepted as Senecio alleizettei (Humbert) Humbert
    2. Subspecies Senecio alleizettei subsp. pleianthus Humbert accepted as Senecio pleianthus (Humbert) Humbert
  48. Species Senecio alliariifolius O.Hoffm.
  49. Species Senecio alloeophyllus O.Hoffm.
    1. Variety Senecio alloeophyllus var. alloeophyllus
    2. Variety Senecio alloeophyllus var. glaberrimus Cabrera
  50. Species Senecio almasensis Mattf.
  51. Species Senecio almeidae Phil.
  52. Species Senecio almorzaderonis Cuatrec.
  53. Species Senecio alniphilus Cabrera
  54. Species Senecio aloides DC.
  55. Species Senecio altimontanus A.M.Teles & L.D.Meireles
  56. Species Senecio altoandinus Cabrera
  57. Species Senecio alvarezensis Greenm.
  58. Species Senecio ambatensis Cabrera
  59. Species Senecio ambraceus Turcz. ex DC.
    1. Variety Senecio ambraceus var. ambraceus accepted as Senecio ambraceus Turcz. ex DC.
    2. Variety Senecio ambraceus var. glaber Kitam. accepted as Senecio ambraceus Turcz. ex DC.
  60. Species Senecio ambrosioides Mart. ex Baker
    1. Variety Senecio ambrosioides var. ambrosioides accepted as Senecio ambrosioides Mart. ex Baker
    2. Variety Senecio ambrosioides var. indivisus Greenm. ex E.H.Graham (uncertain > unassessed)
  61. Species Senecio ameghinoi Speg.
  62. Species Senecio amplectens A.Gray
    1. Variety Senecio amplectens var. amplectens A.Gray
    2. Variety Senecio amplectens var. holmii (Greene) H.D.Harr.
    3. Variety Senecio amplectens var. taraxacoides A.Gray accepted as Senecio taraxacoides (A.Gray) Greene
    4. Variety Senecio amplectens var. taraxacoides Gray (uncertain > unassessed)
  63. Species Senecio amplificatus C.Jeffrey
  64. Species Senecio ampullaceus Hook.
    1. Variety Senecio ampullaceus var. ampullaceus accepted as Senecio ampullaceus Hook.
    2. Variety Senecio ampullaceus var. floccosus Engelm. & A.Gray accepted as Senecio ampullaceus Hook.
    3. Variety Senecio ampullaceus var. glaberrimus Engelm. & A.Gray accepted as Senecio ampullaceus Hook.
  65. Species Senecio amygdalifolius F.Muell.
  66. Species Senecio analogus DC.
  67. Species Senecio anapetes C.Jeffrey
  68. Species Senecio ancashinus Cabrera
  69. Species Senecio anconquijae Cabrera
    1. Forma Senecio anconquijae f. anconquijae Cabrera
    2. Forma Senecio anconquijae f. discoideus Cabrera
  70. Species Senecio andersonii Hook.f.
    1. Variety Senecio andersonii var. andersonii accepted as Senecio andersonii Hook.f.
    2. Variety Senecio andersonii var. beta Hook.f. accepted as Senecio patagonicus Hook. & Arn.
  71. Species Senecio andinus H.Buek
  72. Species Senecio andrieuxii DC.
  73. Species Senecio anethifolius A.Cunn. ex DC.
    1. Subspecies Senecio anethifolius subsp. anethifolius
    2. Subspecies Senecio anethifolius subsp. brevibracteolatus I.Thomps. (uncertain > unassessed)
  74. Species Senecio angulatus L.f.
  75. Species Senecio angulifolius DC.
    1. Variety Senecio angulifolius var. angulifolius accepted as Senecio angulifolius DC.
    2. Variety Senecio angulifolius var. ingens Greenm. accepted as Roldana angulifolia (DC.) H.Rob. & Brettell
  76. Species Senecio angustifolius (Thunb.) Willd.
  77. Species Senecio angustissimus Phil.
  78. Species Senecio anomalochrous Hilliard
  79. Species Senecio antandroi Scott-Elliot
    1. Variety Senecio antandroi var. antandroi accepted as Senecio antandroi Scott-Elliot
    2. Variety Senecio antandroi var. sakamaliensis Humbert accepted as Senecio sakamaliensis (Humbert) Humbert
  80. Species Senecio anthemidiphyllus J.Rémy
  81. Species Senecio anthemifolius Harv.
  82. Species Senecio antofagastanus Cabrera
  83. Species Senecio antucensis Phil.
    1. Variety Senecio antucensis var. antucensis accepted as Senecio antucensis Phil.
    2. Variety Senecio antucensis var. lanuginosa Phil. accepted as Senecio portalesianus J.Rémy
    3. Variety Senecio antucensis var. lanuginosus Phil. (uncertain > unassessed)
  84. Species Senecio apensis Cabrera
  85. Species Senecio aphanactis Greene
  86. Species Senecio apocynifolius (Baker) Humbert
  87. Species Senecio apolobambensis Cabrera
  88. Species Senecio appendiculatus L.f.
  89. Species Senecio aquifoliaceus DC.
  90. Species Senecio aquilaris Cabrera
  91. Species Senecio aquilonaris Schischk.
  92. Species Senecio arabidifolius O.Hoffm.
  93. Species Senecio arachnanthus Franch.
  94. Species Senecio arborescens Steetz
  95. Species Senecio arechavaletae Baker
  96. Species Senecio arenarius Thunb.
  97. Species Senecio argenteus Kuntze
    1. Variety Senecio argenteus var. argenteus accepted as Senecio argenteus Kuntze
    2. Variety Senecio argenteus var. tillandsiifolius (Poepp. ex DC.) Kuntze (uncertain > unassessed)
  98. Species Senecio argillosus Baker
  99. Species Senecio argophylloides Griseb.
    1. Variety Senecio argophylloides var. argophylloides
    2. Variety Senecio argophylloides var. rupestris Cabrera
  100. Species Senecio argutus Kunth
  101. Species Senecio argyreus Phil.
  102. Species Senecio aridus Greenm.
  103. Species Senecio aristeguietae Cuatrec.
  104. Species Senecio aristianus J.Rémy
  105. Species Senecio arleguianus J.Rémy
  106. Species Senecio armentalis L.O.Williams
  107. Species Senecio arniciflorus DC.
  108. Species Senecio arnicoides Wall.
    1. Variety Senecio arnicoides var. arnicoides accepted as Senecio arnicoides Wall.
    2. Variety Senecio arnicoides var. frigida Hook.f. accepted as Cremanthodium ellisii var. ellisii
  109. Species Senecio arnicoides Hook. & Arn.
  110. Species Senecio arnottii Hook.f.
    1. Variety Senecio arnottii var. arnottii accepted as Senecio arnottii Hook.f.
    2. Variety Senecio arnottii var. major Macloskie accepted as Senecio arnottii Hook.f.
    3. Variety Senecio arnottii var. dentatus Macloskie (uncertain > unassessed)
  111. Species Senecio aronicoides DC.
  112. Species Senecio aschenbornianus Schauer
  113. Species Senecio asirensis Boulos & J.R.I.Wood
  114. Species Senecio aspelina DC.
  115. Species Senecio aspericaulis J.Rémy
  116. Species Senecio asperifolius Franch.
  117. Species Senecio asperulus DC.
  118. Species Senecio asplenifolius Griseb.
  119. Species Senecio astephanus Greene
  120. Species Senecio atacamensis Phil.
  121. Species Senecio atratus Greene
    1. Variety Senecio atratus var. atratus accepted as Senecio atratus Greene
    2. Variety Senecio atratus var. milleflorus (Greene) Greenm. accepted as Senecio atratus Greene
  122. Species Senecio atrofuscus Grierson
  123. Species Senecio attenuatus Sch.Bip. ex Rusby
    1. Variety Senecio attenuatus var. attenuatus accepted as Senecio attenuatus Sch.Bip. ex Rusby
    2. Variety Senecio attenuatus var. microphyllus Britton accepted as Senecio potosianus Klatt
  124. Species Senecio aurantiaca
    1. Variety Senecio aurantiaca var. aurantiaca
  125. Species Senecio aureus Georgi
    1. Variety Senecio aureus var. aureus accepted as Senecio aureus Georgi
    2. Variety Senecio aureus var. lanceolatus Oakes (uncertain > unassessed)
  126. Species Senecio auritifolius Cabrera
  127. Species Senecio austin-smithii Standl.
  128. Species Senecio australandinus Cabrera
  129. Species Senecio australis Willd.
    1. Variety Senecio australis var. australis accepted as Senecio australis Willd.
    2. Variety Senecio australis var. edentatus DC. (uncertain > unassessed)
    3. Variety Senecio australis var. macrodontus (DC.) Benth. (uncertain > unassessed)
    4. Variety Senecio australis var. unidentatus DC. (uncertain > unassessed)
  130. Species Senecio austromontanus Hilliard
  131. Species Senecio ayapatensis Griseb.
  132. Species Senecio ayapatensis Sch.Bip. ex Wedd.
  133. Species Senecio baccharidifolius DC.
    1. Variety Senecio baccharidifolius var. angustifolius DC. accepted as Senecio lastarrianus J.Rémy
    2. Variety Senecio baccharidifolius var. baccharidifolius accepted as Senecio baccharidifolius DC.
    3. Variety Senecio baccharidifolius var. subradiatus DC. accepted as Senecio triodon Phil.
    4. Variety Senecio baccharidifolius var. subradiatus Wedd. (uncertain > unassessed)
  134. Species Senecio bahioides Hook. & Arn.
    1. Variety Senecio bahioides var. bahioides accepted as Senecio bahioides Hook. & Arn.
    2. Variety Senecio bahioides var. glaber Hook. & Arn. accepted as Senecio bahioides Hook. & Arn.
    3. Variety Senecio bahioides var. lanosus Hook. & Arn. accepted as Senecio bahioides Hook. & Arn.
  135. Species Senecio balensis S.Ortiz & Vivero
  136. Species Senecio balsamicus Phil.
  137. Species Senecio bampsianus Lisowski
  138. Species Senecio bangii Rusby
  139. Species Senecio banksii Hook.f.
    1. Variety Senecio banksii var. banksii Hook.f. accepted as Senecio banksii Hook.f.
    2. Variety Senecio banksii var. β velleia Hook.f. accepted as Senecio banksii Hook.f.
    3. Variety Senecio banksii var. γ scabrosus Hook.f. accepted as Senecio banksii Hook.f.
  140. Species Senecio barba-johannis DC.
  141. Species Senecio barbarae Cabrera
  142. Species Senecio barbatus DC.
  143. Species Senecio barbertonicus Klatt
  144. Species Senecio barkhausioides Turcz.
  145. Species Senecio barkleyi B.L.Turner
  146. Species Senecio baronii Humbert
  147. Species Senecio barorum Humbert
    1. Variety Senecio barorum var. barorum accepted as Senecio barorum Humbert
    2. Variety Senecio barorum var. ellipticus Humbert accepted as Senecio barorum Humbert
  148. Species Senecio barrosianus Cabrera
  149. Species Senecio bartlettii Greenm.
  150. Species Senecio basalticus Hilliard
  151. Species Senecio bathurstianus (DC.) Sch.Bip.
  152. Species Senecio baurii Oliv.
  153. Species Senecio bayonnensis Boiss.
  154. Species Senecio beaufilsii Kuntze
  155. Species Senecio beaufilsii O. K.
    1. Variety Senecio beaufilsii var. beaufilsii accepted as Senecio beaufilsii O. K.
    2. Variety Senecio beaufilsii var. toninii Kuntze accepted as Senecio beaufilsii Kuntze
  156. Species Senecio behnii Ricardi & Martic.
  157. Species Senecio behrianus Sond. & F.Muell. ex Sond.
  158. Species Senecio bejucosus Cuatrec.
    1. Variety Senecio bejucosus var. bejucosus accepted as Senecio bejucosus Cuatrec.
    2. Variety Senecio bejucosus var. lancifolius Cuatrec. (uncertain > unassessed)
  159. Species Senecio belbeysius Delile
  160. Species Senecio belenensis Griseb.
  161. Species Senecio belgaumensis (Wight) C.B.Clarke
  162. Species Senecio bellidifolius Kunth
  163. Species Senecio bellis Harv.
  164. Species Senecio beltranii P.Gonzáles & Montesinos
  165. Species Senecio benaventianus J.Rémy
  166. Species Senecio bergii Hieron.
  167. Species Senecio betonicifolius DC.
  168. Species Senecio bigelovii A.Gray
    1. Variety Senecio bigelovii var. bigelovii A.Gray
    2. Variety Senecio bigelovii var. hallii A.Gray
  169. Species Senecio biligulatus W.W.Sm.
  170. Species Senecio billieturneri T.M.Barkley
  171. Species Senecio bipinnatisectus Belcher
  172. Species Senecio bipinnatus (Thunb.) Less.
  173. Species Senecio bipontinii Wedd.
  174. Species Senecio biserratus Belcher
  175. Species Senecio blanchei Soldano
  176. Species Senecio blochmanae Greene
  177. Species Senecio boelckei Cabrera
  178. Species Senecio boliviensis Sch.Bip. ex Klatt
  179. Species Senecio bollei Sunding & G.Kunkel
    1. Variety Senecio bollei var. bollei accepted as Senecio bollei Sunding & G.Kunkel
    2. Variety Senecio bollei var. flaccidus (Bolle) Sunding & G.Kunkel accepted as Senecio bollei Sunding & G.Kunkel
  180. Species Senecio bomanii R.E.Fr.
  181. Species Senecio bombayensis N.P.Balakr.
  182. Species Senecio bombycopholis Bullock
  183. Species Senecio bonariensis Hook. & Arn.
  184. Species Senecio bonplandianus DC.
  185. Species Senecio botijae C.Ehrh.
  186. Species Senecio brachyantherus (Hiern) S.Moore
  187. Species Senecio brachycodon Baker
  188. Species Senecio brachylobus Phil.
  189. Species Senecio brachypodus DC.
  190. Species Senecio bracteolatus Hook. & Arn.
    1. Variety Senecio bracteolatus var. bracteolatus
    2. Variety Senecio bracteolatus var. valderramae (Phil.) Cabrera
    3. Variety Senecio bracteolatus var. luteus Tortosa & Adr.Bartoli (uncertain > unassessed)
  191. Species Senecio brasiliensis (Spreng.) Less.
    1. Variety Senecio brasiliensis var. brasiliensis
    2. Variety Senecio brasiliensis var. incanus Baker
    3. Variety Senecio brasiliensis var. tripartitus (DC.) Baker
  192. Species Senecio brassii Belcher
  193. Species Senecio bravensis Cabrera
  194. Species Senecio brenesii Greenm. & Standl.
  195. Species Senecio brevidentatus M.D.Hend.
  196. Species Senecio breviflorus (Kadereit) Greuter
  197. Species Senecio brevilorus Hilliard
  198. Species Senecio breviscapus DC.
  199. Species Senecio brevitubulus I.Thomps.
  200. Species Senecio bridgesii Hook. & Arn.
    1. Variety Senecio bridgesii var. bridgesii accepted as Senecio bridgesii Hook. & Arn.
    2. Variety Senecio bridgesii var. leptolobus Baker (uncertain > unassessed)
  201. Species Senecio brigalowensis I.Thomps.
  202. Species Senecio brittonianus Hieron.
  203. Species Senecio brunonianus Hook. & Arn.
  204. Species Senecio bryoniifolius Harv.
  205. Species Senecio bugalagrandis Cuatrec.
  206. Species Senecio buglossus Phil.
  207. Species Senecio buimalia Buch.-Ham. ex D.Don
    1. Variety Senecio buimalia var. bambusetorum Hand.-Mazz. accepted as Cissampelopsis erythrochaeta C.Jeffrey & Y.L.Chen
    2. Variety Senecio buimalia var. buimalia accepted as Senecio buimalia Buch.-Ham. ex D.Don
  208. Species Senecio bulbinifolius DC.
  209. Species Senecio bulleyanus Diels
  210. Species Senecio bupleuroides DC.
    1. Variety Senecio bupleuroides var. bupleuroides accepted as Senecio bupleuroides DC.
    2. Variety Senecio bupleuroides var. denticulatus (DC.) DC. accepted as Senecio bupleuroides DC.
    3. Variety Senecio bupleuroides var. falcatus (Sch.Bip.) Sch.Bip. accepted as Senecio bupleuroides DC.
    4. Variety Senecio bupleuroides var. latifolius (Harv.) Harv. accepted as Senecio glaberrimus DC.
  211. Species Senecio burchellii DC.
  212. Species Senecio burkartii Cabrera
  213. Species Senecio burtonii Hook.f.
  214. Species Senecio bustillosianus J.Rémy
    1. Variety Senecio bustillosianus var. borchersii (Phil.) Cabrera
    2. Variety Senecio bustillosianus var. bustillosianus
  215. Species Senecio byrnensis Hilliard
  216. Species Senecio cacaliaster Lam.
  217. Species Senecio cachinalensis Phil.
    1. Variety Senecio cachinalensis var. cachinalensis
    2. Variety Senecio cachinalensis var. copiapinus (Phil.) Cabrera
  218. Species Senecio cajonensis Cabrera
  219. Species Senecio cakilefolius DC.
    1. Variety Senecio cakilefolius var. cakilefolius accepted as Senecio cakilefolius DC.
    2. Variety Senecio cakilefolius var. hispidulus Thell. accepted as Senecio arenarius Thunb.
  220. Species Senecio calcensis Cabrera & Zardini
  221. Species Senecio calchaquinus Cabrera
  222. Species Senecio calianus Cuatrec.
  223. Species Senecio californicus DC.
    1. Variety Senecio californicus var. ammophilus Greenm. accepted as Senecio californicus DC.
    2. Variety Senecio californicus var. californicus accepted as Senecio californicus DC.
    3. Variety Senecio californicus var. laxior DC. (uncertain > unassessed)
  224. Species Senecio calingastensis Tombesi
  225. Species Senecio callosus Sch.Bip.
  226. Species Senecio calocephalus C.C.Chang
  227. Species Senecio calocephalus Poepp. & Endl.
  228. Species Senecio caloneotes Hilliard
  229. Species Senecio calthifolius Hook.f.
  230. Species Senecio calyculatus Greenm.
  231. Species Senecio campylocarpus I.Thomps.
  232. Species Senecio canadensis L.
  233. Species Senecio canaliculatus Bojer ex DC.
  234. Species Senecio canalipes DC.
  235. Species Senecio canchahuinganquensis Cabrera
  236. Species Senecio candelariae Benth.
  237. Species Senecio candicans Wall. ex DC.
  238. Species Senecio candidans DC.
  239. Species Senecio candidissimus Greene
  240. Species Senecio candolleanus Wall. ex DC.
  241. Species Senecio candollii Wedd.
  242. Species Senecio cantensis Cabrera
  243. Species Senecio caparaoensis Cabrera
  244. Species Senecio cappa Buch.-Ham. ex D.Don
    1. Variety Senecio cappa var. cappa accepted as Senecio cappa Buch.-Ham. ex D.Don
    2. Variety Senecio cappa var. pubescens (Kitam.) Kitam. (uncertain > unassessed)
  245. Species Senecio carbonelli S.Díaz
  246. Species Senecio carbonensis C.Ezcurra, M.Ferreyra & S.Clayton
  247. Species Senecio cardaminifolius DC.
  248. Species Senecio carhuanishoensis H.Beltrán & J.Calvo
  249. Species Senecio carnerensis Greenm.
  250. Species Senecio carnosulus (Kirk) C.J.Webb
  251. Species Senecio carnosus Thunb.
  252. Species Senecio carnulentus DC.
    1. Variety Senecio carnulentus var. carnulentus DC. accepted as Senecio carnulentus DC.
    2. Variety Senecio carnulentus var. angustissima Steetz (uncertain > unassessed)
    3. Variety Senecio carnulentus var. latilobus Steetz (uncertain > unassessed)
  253. Species Senecio carpetanus Boiss. & Reut.
  254. Species Senecio carroensis DC.
  255. Species Senecio caryophyllus Mattf.
  256. Species Senecio castanaefolius DC.
  257. Species Senecio catamarcensis Cabrera
  258. Species Senecio catharinensis Dusén ex Cabrera
  259. Species Senecio cathcartensis O.Hoffm.
  260. Species Senecio caucasica
  261. Species Senecio caudatus DC.
  262. Species Senecio cedrosensis Greene
  263. Species Senecio centropappus F.Muell.
  264. Species Senecio ceratophylloides Griseb.
  265. Species Senecio ceratophyllus Nees
    1. Variety Senecio ceratophyllus var. ceratophyllus accepted as Senecio ceratophyllus Nees
    2. Variety Senecio ceratophyllus var. macrodon (Baker) Malme accepted as Senecio ceratophylloides Griseb.
    3. Variety Senecio ceratophyllus var. major D.Don ex Hook. & Arn. accepted as Senecio ceratophylloides Griseb.
    4. Variety Senecio ceratophyllus var. macrodon Malme (uncertain > unassessed)
    5. Variety Senecio ceratophyllus var. major Hook. & Arn. (uncertain > unassessed)
    6. Variety Senecio ceratophyllus var. nanus Hook. & Arn. (uncertain > unassessed)
  266. Species Senecio cerberoanus J.Rémy
    1. Variety Senecio cerberoanus var. cerberoanus
    2. Variety Senecio cerberoanus var. lanatus Cabrera
  267. Species Senecio cervariifolius
  268. Species Senecio chalureaui Humbert
    1. Variety Senecio chalureaui var. chalureaui Humbert
    2. Variety Senecio chalureaui var. eradiatus Maire accepted as Senecio chalureaui var. chalureaui Humbert
    3. Variety Senecio chalureaui var. radiatus Humbert accepted as Senecio chalureaui Humbert
  269. Species Senecio chamomillifolius Phil.
  270. Species Senecio chanaralensis Phil.
    1. Variety Senecio chanaralensis var. chanaralensis accepted as Senecio chanaralensis Phil.
    2. Variety Senecio chanaralensis var. luxurians Phil. (uncertain > unassessed)
    3. Variety Senecio chanaralensis var. subliratus Reiche (uncertain > unassessed)
  271. Species Senecio chapalensis S.Watson
    1. Variety Senecio chapalensis var. areolatus Greenm. accepted as Roldana chapalensis (S.Watson) H.Rob. & Brettell
    2. Variety Senecio chapalensis var. chapalensis accepted as Senecio chapalensis S.Watson
  272. Species Senecio chicharrensis Greenm.
  273. Species Senecio chihuahuensis S.Watson
  274. Species Senecio chilensis Less.
    1. Variety Senecio chilensis var. chilensis accepted as Senecio chilensis Less.
    2. Variety Senecio chilensis var. macrodon Baker accepted as Senecio ceratophylloides Griseb.
  275. Species Senecio chilensis Cabrera
    1. Forma Senecio chilensis f. chilensis
    2. Forma Senecio chilensis f. discoideus Cabrera
    3. Variety Senecio chilensis var. argophyllus (Phil.) Cabrera
    4. Variety Senecio chilensis var. ceratophyllus (Hook. & Arn.) Baker accepted as Senecio ceratophylloides Griseb.
    5. Forma Senecio chilensis f. argophyllus (uncertain > unassessed)
  276. Species Senecio chillanensis Cabrera
  277. Species Senecio chionogeton Wedd.
    1. Forma Senecio chionogeton f. chionogeton accepted as Senecio chionogeton Wedd.
    2. Forma Senecio chionogeton f. microcephala Hieron. (uncertain > unassessed)
  278. Species Senecio chionophilus Phil.
  279. Species Senecio chipauquilensis Troiani & Steibel
  280. Species Senecio chiquianensis Cabrera
    1. Variety Senecio chiquianensis var. chiquianensis accepted as Senecio chiquianensis Cabrera
    2. Variety Senecio chiquianensis var. dentatus Cabrera (uncertain > unassessed)
  281. Species Senecio chiribogae Cabrera
  282. Species Senecio chirripoensis H.Rob. & Brettell
  283. Species Senecio chitaganus Cuatrec.
  284. Species Senecio chodatianus Cuatrec.
  285. Species Senecio choroensis Cuatrec.
  286. Species Senecio chrysanthemoides DC.
    1. Variety Senecio chrysanthemoides var. analogus (DC.) Hook.f. accepted as Senecio analogus DC.
    2. Variety Senecio chrysanthemoides var. chrysanthemoides accepted as Senecio chrysanthemoides DC.
    3. Variety Senecio chrysanthemoides var. eustegius Hand.-Mazz. accepted as Senecio laetus Edgew.
    4. Variety Senecio chrysanthemoides var. khasianus (C.B.Clarke) Hook.f. accepted as Senecio laetus Edgew.
  287. Species Senecio chrysanthemum Dusén
    1. Variety Senecio chrysanthemum var. discoideus Ratto, Sbarra & Tortosa (uncertain > unassessed)
  288. Species Senecio chrysocoma Meerb.
  289. Species Senecio chrysocomoides Hook. & Arn.
  290. Species Senecio chrysolepis Phil.
  291. Species Senecio chungtienensis C.Jeffrey & Y.L.Chen
  292. Species Senecio cicatricosus Sch.Bip.
  293. Species Senecio cinarifolius H.Lév.
  294. Species Senecio cinerarioides Kunth
  295. Species Senecio cinerascens Aiton
  296. Species Senecio cirsiifolius (Hook. & Arn.) Sch.Bip.
  297. Species Senecio cisplatinus Cabrera
  298. Species Senecio citriceps Hilliard & B.L.Burtt
  299. Species Senecio citriformis G.D.Rowley
  300. Species Senecio clarioneifolius J.Rémy
  301. Species Senecio clarkianus A.Gray
  302. Species Senecio claryae B.L.Turner
  303. Species Senecio claussenii Decne.
  304. Species Senecio clivicola Wedd.
    1. Variety Senecio clivicola var. clivicola
    2. Variety Senecio clivicola var. pampae (Lingelsh.) Cabrera
  305. Species Senecio clivicolus Wedd.
    1. Variety Senecio clivicolus var. clivicolus
    2. Variety Senecio clivicolus var. pampae (Lingelsh.) Cabrera accepted as Senecio clivicola var. pampae (Lingelsh.) Cabrera
  306. Species Senecio coahuilensis Greenm.
  307. Species Senecio cobanensis J.M.Coult.
    1. Variety Senecio cobanensis var. cobanensis accepted as Senecio cobanensis J.M.Coult.
    2. Variety Senecio cobanensis var. sublaciniatus Greenm. accepted as Senecio cobanensis J.M.Coult.
  308. Species Senecio coccineus Klatt
  309. Species Senecio cochabambensis Cabrera
  310. Species Senecio cochlearifolius Bojer ex DC.
    1. Variety Senecio cochlearifolius var. australis Humbert accepted as Senecio multibracteatus Baker
    2. Variety Senecio cochlearifolius var. cochlearifolius accepted as Senecio cochlearifolius Bojer ex DC.
  311. Species Senecio cocuyanus (Cuatrec.) Cuatrec.
  312. Species Senecio colaminus Cuatrec.
  313. Species Senecio coleophyllus Turcz.
  314. Species Senecio collinus DC.
  315. Species Senecio colpodes Bong.
  316. Species Senecio colu-huapiensis Speg.
  317. Species Senecio comberi Cabrera
  318. Species Senecio comosus Sch.Bip.
    1. Variety Senecio comosus var. comosus
    2. Variety Senecio comosus var. culcitioides (Sch.Bip.) Cabrera
    3. Variety Senecio comosus var. blancus Cuatrec. (uncertain > unassessed)
    4. Variety Senecio comosus var. cauliglabrus Cuatrec. (uncertain > unassessed)
    5. Variety Senecio comosus var. debilis Cuatrec. (uncertain > unassessed)
  319. Species Senecio condimentarius Cabrera
  320. Species Senecio condylus I.Thomps.
  321. Species Senecio conferruminatus I.Thomps.
  322. Species Senecio confertus Sch.Bip. ex A.Rich.
  323. Species Senecio confusus Burtt
  324. Species Senecio conrathii N.E.Br.
  325. Species Senecio consanguineus DC.
  326. Species Senecio conyzaefolius Baker
  327. Species Senecio conyzifolius Baker
  328. Species Senecio conzattii Greenm.
  329. Species Senecio copeyensis Greenm.
  330. Species Senecio coquimbensis Phil.
  331. Species Senecio corcovadensis Cabrera
  332. Species Senecio cordifolius L.f.
    1. Variety Senecio cordifolius var. cordifolius accepted as Senecio cordifolius L.f.
    2. Variety Senecio cordifolius var. neaei DC. (uncertain > unassessed)
    3. Variety Senecio cordifolius var. neaei (DC.) Greenm. (uncertain > unassessed)
  333. Species Senecio coriaceisquamus C.C.Chang
  334. Species Senecio cornu-cervi MacOwan
  335. Species Senecio coronatus (Thunb.) Harv.
  336. Species Senecio coronopifolius Burm.f.
    1. Variety Senecio coronopifolius var. coronopifolius accepted as Senecio coronopifolius Burm.f.
    2. Variety Senecio coronopifolius var. discoidea Winkler ex Danguy accepted as Senecio dubitabilis C.Jeffrey & Y.L.Chen
  337. Species Senecio coronopodiphyllus J.Rémy
  338. Species Senecio corymbosus Wall. ex DC.
    1. Variety Senecio corymbosus var. corymbosus accepted as Senecio corymbosus Wall. ex DC.
    2. Variety Senecio corymbosus var. walkeri (Arn.) Grierson (uncertain > unassessed)
  339. Species Senecio coscayanus Ricardi & Martic.
  340. Species Senecio costaricensis R.M.King
  341. Species Senecio cotyledonis DC.
  342. Species Senecio covasii Cabrera
  343. Species Senecio covuncensis Cabrera
  344. Species Senecio coymolachensis Cabrera
  345. Species Senecio crassiflorus (Poir.) DC.
    1. Variety Senecio crassiflorus var. crassiflorus
    2. Variety Senecio crassiflorus var. maritimus (Malme) Cabrera
    3. Variety Senecio crassiflorus var. subceratophyllus Cabrera
    4. Forma Senecio crassiflorus f. crassiflorus accepted as Senecio crassiflorus (Poir.) DC.
    5. Forma Senecio crassiflorus f. maritimus Malme accepted as Senecio crassiflorus (Poir.) DC.
    6. Variety Senecio crassiflorus var. andryaloides (DC.) Arechav. accepted as Senecio crassiflorus (Poir.) DC.
    7. Variety Senecio crassiflorus var. tricuspis Baker accepted as Senecio crassiflorus (Poir.) DC.
    8. Variety Senecio crassiflorus var. grandiflorus Kuntze (uncertain > unassessed)
    9. Variety Senecio crassiflorus var. parviflorus Kuntze (uncertain > unassessed)
  346. Species Senecio crassiusculus DC.
  347. Species Senecio crassorhizus De Wild.
  348. Species Senecio crassulaefolius (DC.) Sch.Bip.
  349. Species Senecio crassulus A.Gray
    1. Variety Senecio crassulus var. crassulus accepted as Senecio crassulus A.Gray
    2. Variety Senecio crassulus var. cusickii (Piper) Greenm. accepted as Senecio crassulus A.Gray
  350. Species Senecio cremeiflorus Mattf.
  351. Species Senecio cremnicola Cabrera
  352. Species Senecio cremnophilus I.M.Johnst.
  353. Species Senecio crenatus Thunb.
  354. Species Senecio crenulatus DC.
  355. Species Senecio crepidifolius DC.
  356. Species Senecio crepidoides Phil.
  357. Species Senecio crispatipilosus C.Jeffrey
  358. Species Senecio crispus Thunb.
  359. Species Senecio cristimontanus Hilliard
  360. Species Senecio crithmoides Hook. & Arn.
  361. Species Senecio cronquistii (H.Rob. & Brettell) B.L.Turner & T.M.Barkley
  362. Species Senecio cryphiactis O.Hoffm.
  363. Species Senecio cryptocephalus Cabrera
  364. Species Senecio cryptolanatus Killick
  365. Species Senecio ctenophyllus Phil.
  366. Species Senecio cuchumatanensis L.O.Williams & Ant.Molina
  367. Species Senecio cuencanus Hieron.
    1. Variety Senecio cuencanus var. cuencanus accepted as Senecio cuencanus Hieron.
    2. Variety Senecio cuencanus var. tomentellus Hieron. accepted as Senecio patens (Kunth) DC.
  368. Species Senecio culciklattii Cuatrec.
  369. Species Senecio culcitenellus Cuatrec.
  370. Species Senecio cumingii Hook. & Arn.
    1. Variety Senecio cumingii var. bracteosus Cabrera
    2. Variety Senecio cumingii var. cumingii
  371. Species Senecio cuneatus Hook.f.
  372. Species Senecio cunninghamii DC.
    1. Variety Senecio cunninghamii var. cunninghamii DC.
    2. Variety Senecio cunninghamii var. flindersensis I.Thomps.
    3. Variety Senecio cunninghamii var. serratus M.E.Lawr. accepted as Senecio lanibracteus I.Thomps.
  373. Species Senecio curvatus Baker
  374. Species Senecio cyaneus O.Hoffm.
  375. Species Senecio cylindrocephalus Cabrera
  376. Species Senecio cymosus J.Rémy
  377. Species Senecio dahuricus Sch.Bip.
    1. Variety Senecio dahuricus var. dahuricus accepted as Senecio dahuricus Sch.Bip.
    2. Variety Senecio dahuricus var. kamtschaticus Maxim. accepted as Parasenecio auriculatus (DC.) H.Koyama
  378. Species Senecio daltonii F.Muell.
  379. Species Senecio dalzellii C.B.Clarke
  380. Species Senecio daochengensis Y.L.Chen
  381. Species Senecio darwinii Hook. & Arn.
    1. Forma Senecio darwinii f. darwinii accepted as Senecio darwinii Hook. & Arn.
    2. Forma Senecio darwinii f. falklandicus Skottsb. accepted as Senecio littoralis Gaudich.
    3. Variety Senecio darwinii var. darwinii accepted as Senecio darwinii Hook. & Arn.
    4. Variety Senecio darwinii var. eradiatus A.Gray accepted as Senecio humifusus (Hook.f.) Cabrera
    5. Variety Senecio darwinii var. laxus Hook. & Arn. accepted as Senecio darwinii Hook. & Arn.
    6. Forma Senecio darwinii f. falklandica Skottsb. (uncertain > unassessed)
  382. Species Senecio davilae Phil.
  383. Species Senecio decaryi Humbert
  384. Species Senecio decurrens DC.
  385. Species Senecio deferens Griseb.
  386. Species Senecio deformis Klatt
  387. Species Senecio delicatulus Cabrera & Zardini
  388. Species Senecio deltoideus Less.
  389. Species Senecio densiflorus Wall.
  390. Species Senecio densiserratus C.C.Chang
  391. Species Senecio dentato-alatus Mildbr. ex C.Jeffrey
  392. Species Senecio denticulatus (Hook. & Arn.) DC.
    1. Variety Senecio denticulatus var. araeus Phil. accepted as Senecio yegua (Colla) Cabrera
    2. Variety Senecio denticulatus var. denticulatus accepted as Senecio denticulatus (Hook. & Arn.) DC.
    3. Variety Senecio denticulatus var. depilis Phil. accepted as Senecio yegua (Colla) Cabrera
    4. Variety Senecio denticulatus var. pilotus Phil. accepted as Senecio yegua (Colla) Cabrera
  393. Species Senecio depauperatus Mattf.
  394. Species Senecio deppeanus Hemsl.
  395. Species Senecio depressicola I.Thomps.
  396. Species Senecio depressus Hook. & Arn.
  397. Species Senecio descoingsii (Humbert) jacobs. ex G.D.Rowley
  398. Species Senecio desiderabilis Vell.
  399. Species Senecio desideratus DC.
    1. Forma Senecio desideratus f. desideratus accepted as Senecio desideratus DC.
    2. Forma Senecio desideratus f. elatiuscula Speg. (uncertain > unassessed)
  400. Species Senecio dewildeorum Tjitr.
  401. Species Senecio diaguita Cabrera
  402. Species Senecio diaschides D.G.Drury
  403. Species Senecio dichotomus Phil.
  404. Species Senecio diemii Cabrera
  405. Species Senecio diffusus Thunb.
  406. Species Senecio diffusus L.f.
  407. Species Senecio digitalifolius DC.
  408. Species Senecio digitatus Phil.
  409. Species Senecio dilungensis Lisowski
  410. Species Senecio dimorphocarpos Colenso
  411. Species Senecio diodon DC.
  412. Species Senecio diphyllus De Wild. & Muschl.
  413. Species Senecio discodregeanus Hilliard & B.L.Burtt
  414. Species Senecio discokaraguensis C.Jeffrey
  415. Species Senecio discolor Desf.
  416. Species Senecio disjectus Wedd.
  417. Species Senecio dissidens Fourc.
  418. Species Senecio dissimulans Hilliard
  419. Species Senecio distalilobatus I.Thomps.
  420. Species Senecio divaricoides Cabrera
  421. Species Senecio diversifolius Harv.
  422. Species Senecio diversipinnus Ling
    1. Variety Senecio diversipinnus var. discoideus C.Jeffrey & Y.L.Chen
    2. Variety Senecio diversipinnus var. diversipinnus
  423. Species Senecio dodrans C.Winkl.
  424. Species Senecio dolichocephalus I.Thomps.
  425. Species Senecio dolichodoryius Cuatrec.
  426. Species Senecio dombeyanus DC.
  427. Species Senecio domingensis Urb.
  428. Species Senecio donianus Hook. & Arn.
  429. Species Senecio doratophyllus Benth.
  430. Species Senecio doria K.Koch
    1. Variety Senecio doria var. biebersteinii Lindem. accepted as Senecio macrophyllus M.Bieb.
    2. Variety Senecio doria var. doria accepted as Senecio doria K.Koch
  431. Species Senecio doria L.
    1. Subspecies Senecio doria subsp. doria L.
    2. Subspecies Senecio doria subsp. laderoi Blanca
    3. Subspecies Senecio doria subsp. biebersteinii (Lindem.) Borza & al. accepted as Senecio macrophyllus M.Bieb.
    4. Subspecies Senecio doria subsp. kirghisicus (DC.) Chater accepted as Senecio paucifolius S.G.Gmel.
    5. Subspecies Senecio doria subsp. legionensis (Lange) Chater accepted as Senecio legionensis Lange
    6. Subspecies Senecio doria subsp. macrophyllus (M.Bieb.) Nyman accepted as Senecio macrophyllus M.Bieb.
    7. Subspecies Senecio doria subsp. umbrosus (Waldst. & Kit.) Soó accepted as Senecio umbrosus Waldst. & Kit.
    8. Variety Senecio doria var. canescens Willk. accepted as Senecio doria L.
    9. Variety Senecio doria var. doria accepted as Senecio doria L.
  432. Species Senecio doriiformis DC.
    1. Subspecies Senecio doriiformis subsp. doriaeformis
    2. Subspecies Senecio doriiformis subsp. orientalis (Fenzl)
    3. Subspecies Senecio doriiformis subsp. doriiformis DC. (uncertain > unassessed)
  433. Species Senecio doronicum (L.) L.
    1. Subspecies Senecio doronicum subsp. doronicum
    2. Subspecies Senecio doronicum subsp. transylvanicus (Boiss.) Nyman
    3. Variety Senecio doronicum var. doronicum accepted as Senecio doronicum (L.) L.
    4. Variety Senecio doronicum var. hosmariensis Ball accepted as Senecio eriopus subsp. hosmariensis (Ball) Blanca
    5. Subspecies Senecio doronicum subsp. gerardii (Gren. & Godr.) Malag. (uncertain > unassessed)
    6. Subspecies Senecio doronicum subsp. glaberrimus (Rochel) Kožuharov & N.Andreev (uncertain > unassessed)
    7. Subspecies Senecio doronicum subsp. longifolius (Willk.) J.Calvo (uncertain > unassessed)
    8. Subspecies Senecio doronicum subsp. lusitanicus Cout. (uncertain > unassessed)
    9. Subspecies Senecio doronicum subsp. orientalis J.Calvo (uncertain > unassessed)
    10. Subspecies Senecio doronicum subsp. orientalis J.Calvo (uncertain > unassessed)
    11. Variety Senecio doronicum var. glaberrimus Rochel (uncertain > unassessed)
  434. Species Senecio doryphoroides C.Jeffrey
  435. Species Senecio doryphorus Mattf.
  436. Species Senecio doryphyllus Cuatrec.
  437. Species Senecio dregeanus DC.
    1. Variety Senecio dregeanus var. discoideus (DC.) DC. accepted as Senecio discodregeanus Hilliard & B.L.Burtt
    2. Variety Senecio dregeanus var. dregeanus accepted as Senecio dregeanus DC.
  438. Species Senecio drukensis C.Marquand & Airy Shaw
    1. Variety Senecio drukensis var. drukensis accepted as Senecio drukensis C.Marquand & Airy Shaw
    2. Variety Senecio drukensis var. nodiflorus (C.C.Chang) Hand.-Mazz. accepted as Senecio nodiflorus C.C.Chang
  439. Species Senecio dryadeus Ewart
    1. Variety Senecio dryadeus var. dryadeus Ewart accepted as Senecio dryadeus Ewart
  440. Species Senecio dryophyllus Meyen & Walp.
  441. Species Senecio dubitabilis C.Jeffrey & Y.L.Chen
    1. Variety Senecio dubitabilis var. dubitabilis accepted as Senecio dubitabilis C.Jeffrey & Y.L.Chen
    2. Variety Senecio dubitabilis var. densicapitatus C.H.An (uncertain > unassessed)
    3. Variety Senecio dubitabilis var. linearifolius C.H.An (uncertain > unassessed)
  442. Species Senecio dumeticolus S.Moore
    1. Variety Senecio dumeticolus var. dumeticolus
    2. Variety Senecio dumeticolus var. tearaneus Mendonça
  443. Species Senecio dumetorum Gardner
  444. Species Senecio dumosus Fourc.
  445. Species Senecio dunedinensis Belcher
  446. Species Senecio durangensis Greenm.
    1. Variety Senecio durangensis var. atrapiculatus T.M.Barkley
    2. Variety Senecio durangensis var. durangensis Greenm.
  447. Species Senecio duriaei J.Gay
  448. Species Senecio echaetus Y.L.Chen & K.Y.Pan
  449. Species Senecio edgeworthii Hook.f.
  450. Species Senecio eenii (S.Moore) Merxm.
  451. Species Senecio eightsii Hook. & Arn.
  452. Species Senecio elegans L.
    1. Variety Senecio elegans var. elegans accepted as Senecio elegans L.
    2. Variety Senecio elegans var. diffusus Ewart (uncertain > unassessed)
    3. Variety Senecio elegans var. erectus Ewart (uncertain > unassessed)
  453. Species Senecio eliseae J.Calvo
  454. Species Senecio ellenbeckii O.Hoffm.
  455. Species Senecio elmeri Piper
  456. Species Senecio elquiensis Cabrera
  457. Species Senecio emiliopsis C.Jeffrey
  458. Species Senecio eminens Compton
  459. Species Senecio emirnensis DC.
    1. Subspecies Senecio emirnensis subsp. emirnensis
    2. Variety Senecio emirnensis var. angavonensis (Bojer ex DC.) Humbert
    3. Variety Senecio emirnensis var. emirnensis
    4. Variety Senecio emirnensis var. vittarifolius (Bojer ex DC.) Humbert
    5. Subspecies Senecio emirnensis subsp. angavonensis (Bojer ex DC.) Humbert accepted as Senecio emirnensis var. angavonensis (Bojer ex DC.) Humbert
    6. Variety Senecio emirnensis var. lanceolata Scott-Elliot accepted as Senecio emirnensis var. angavonensis (Bojer ex DC.) Humbert
    7. Subspecies Senecio emirnensis subsp. tanala Humbert (uncertain > unassessed)
  460. Species Senecio engleranus O.Hoffm.
  461. Species Senecio epiphyticus Kuntze
  462. Species Senecio erechtitioides Baker
  463. Species Senecio eremicola I.Thomps.
  464. Species Senecio eremophilus A.Gray
  465. Species Senecio eremophilus Richardson
    1. Variety Senecio eremophilus var. eremophilus Richardson
    2. Variety Senecio eremophilus var. kingii (Rydb.) Greenm.
    3. Variety Senecio eremophilus var. macdougalii Cronquist
    4. Subspecies Senecio eremophilus subsp. eremophilus accepted as Senecio eremophilus Richardson
    5. Subspecies Senecio eremophilus subsp. kingii accepted as Senecio eremophilus var. kingii (Rydb.) Greenm.
    6. Subspecies Senecio eremophilus subsp. macdougalii accepted as Senecio eremophilus var. macdougalii Cronquist
  466. Species Senecio eriobasis DC.
  467. Species Senecio eriophyton J.Rémy
  468. Species Senecio eriopus Willk.
    1. Subspecies Senecio eriopus subsp. eriopus Willk.
    2. Subspecies Senecio eriopus subsp. hosmariensis (Ball) Blanca
    3. Variety Senecio eriopus var. eriopus accepted as Senecio eriopus Willk.
    4. Variety Senecio eriopus var. hosmariensis (Ball) Pau accepted as Senecio eriopus Willk.
  469. Species Senecio erisithalifolius Sch.Bip. ex Baker
  470. Species Senecio erlangeri O.Hoffm.
  471. Species Senecio erosus L.f.
  472. Species Senecio ertterae T.M.Barkley
  473. Species Senecio erubescens Aiton
    1. Variety Senecio erubescens var. crepidifolius DC.
    2. Variety Senecio erubescens var. dichotomus DC.
    3. Variety Senecio erubescens var. erubescens Aiton
    4. Variety Senecio erubescens var. incisus DC.
    5. Variety Senecio erubescens var. crepidifolius Harv. accepted as Senecio variabilis Sch.Bip.
    6. Variety Senecio erubescens var. lyratus (Harv.) Harv. accepted as Senecio erubescens var. erubescens Aiton
  474. Species Senecio eruciformis J.Rémy
    1. Variety Senecio eruciformis var. brachycephalus (Phil.) Cabrera
    2. Variety Senecio eruciformis var. eruciformis
  475. Species Senecio erysimoides DC.
  476. Species Senecio erythropappus Bureau & Franch.
  477. Species Senecio esleri C.J.Webb
  478. Species Senecio espinosae Cabrera
  479. Species Senecio eudorus DC.
  480. Species Senecio euryopoides DC.
  481. Species Senecio evacoides Sch.Bip.
  482. Species Senecio evacoides Sch.Bip. ex Wedd.
  483. Species Senecio evelynae Muschl.
  484. Species Senecio everettii Hemsl.
  485. Species Senecio exarachnoideus C.Jeffrey
  486. Species Senecio expansus Wedd.
  487. Species Senecio extensus I.Thomps.
  488. Species Senecio exuberans R.A.Dyer
  489. Species Senecio exul Hance
  490. Species Senecio faberi Hemsl.
    1. Variety Senecio faberi var. discoideus Lauener & D.K.Ferguson accepted as Senecio liangshanensis C.Jeffrey & Y.L.Chen
    2. Variety Senecio faberi var. faberi accepted as Senecio faberi Hemsl.
    3. Variety Senecio faberi var. dilatatus Hand.-Mazz. (uncertain > unassessed)
  491. Species Senecio fabrisii Cabrera
  492. Species Senecio famatinensis Cabrera
  493. Species Senecio farfaraefolius (Sieb. & Zucc.)
  494. Species Senecio farinaceus Sch.Bip. ex A.Rich.
  495. Species Senecio farinifer Hook. & Arn.
  496. Species Senecio fastigiatus Schwein. ex Elliott
    1. Variety Senecio fastigiatus var. fastigiatus accepted as Senecio fastigiatus Schwein. ex Elliott
    2. Variety Senecio fastigiatus var. macounii (Greene) Greenm. accepted as Packera macounii (Greene) W.A.Weber & Á.Löve
    3. Variety Senecio fastigiatus var. eroso-dentatus Greenm. (uncertain > unassessed)
  497. Species Senecio faujasioides Baker
  498. Species Senecio ferrugineus (Klatt) Cuatrec.
  499. Species Senecio ferruglii Cabrera
  500. Species Senecio festucoides J.Calvo & A.Moreira
  501. Species Senecio filaginoides DC.
    1. Variety Senecio filaginoides var. filaginoides
    2. Variety Senecio filaginoides var. lobulatus (Hook. & Arn.) Cabrera
  502. Species Senecio filaris McVaugh
  503. Species Senecio filifer Franch.
    1. Variety Senecio filifer var. dilatatus Hand.-Mazz. accepted as Senecio filifer Franch.
    2. Variety Senecio filifer var. filifer accepted as Senecio filifer Franch.
  504. Species Senecio fistulosus Poepp. ex Less.
    1. Variety Senecio fistulosus var. fistulosus Poepp. ex Less. accepted as Senecio fistulosus Poepp. ex Less.
  505. Species Senecio flaccidifolius Wedd.
  506. Species Senecio flaccidus Less.
    1. Variety Senecio flaccidus var. douglasii (DC.) B.L.Turner & T.M.Barkley
    2. Variety Senecio flaccidus var. flaccidus Less.
    3. Variety Senecio flaccidus var. monoensis (Greene) B.L.Turner & T.M.Barkley
    4. Variety Senecio flaccidus var. durangensis (Greenm.) T.M.Barkley (uncertain > unassessed)
  507. Species Senecio flagellifolius Cabrera
  508. Species Senecio flammeus Turcz. ex DC.
    1. Subspecies Senecio flammeus subsp. flammeus
    2. Subspecies Senecio flammeus subsp. glabrifolius (Cufod.) Kitam.
    3. Forma Senecio flammeus f. flammeus accepted as Senecio flammeus Turcz. ex DC.
    4. Forma Senecio flammeus f. limprichtii Cufod. accepted as Tephroseris flammea (Turcz. ex DC.) Holub
    5. Forma Senecio flammeus f. simplex Ling accepted as Tephroseris flammea (Turcz. ex DC.) Holub
    6. Variety Senecio flammeus var. flammeus accepted as Senecio flammeus Turcz. ex DC.
    7. Variety Senecio flammeus var. glabrifolius Cufod. accepted as Senecio flammeus subsp. glabrifolius (Cufod.) Kitam.
    8. Variety Senecio flammeus var. rufus (Hand.-Mazz.) Z.Ying Zhang & Y.H.Guo accepted as Tephroseris rufa (Hand.-Mazz.) B.Nord.
    9. Variety Senecio flammeus var. typicus Cufod. (uncertain > unassessed)
  509. Species Senecio flavus (Decne.) Sch.Bip.
    1. Subspecies Senecio flavus subsp. breviflorus Kadereit accepted as Senecio breviflorus (Kadereit) Greuter
    2. Subspecies Senecio flavus subsp. brevifolius Kadereit accepted as Senecio breviflorus (Kadereit) Greuter
    3. Subspecies Senecio flavus subsp. flavus accepted as Senecio flavus (Decne.) Sch.Bip.
  510. Species Senecio floribundus (Kunth) Sch.Bip.
  511. Species Senecio foeniculoides Harv.
  512. Species Senecio folidentatus Cuatrec.
  513. Species Senecio formosanus (Sasaki) Kitam.
  514. Species Senecio formosissimus Cuatrec.
  515. Species Senecio formosoides Cuatrec.
  516. Species Senecio fragrantissimus Tortosa & Bartoli
  517. Species Senecio franchetii C.Winkl.
  518. Species Senecio francisci Phil.
  519. Species Senecio fremontii Torr. & A.Gray
    1. Variety Senecio fremontii var. blitoides (Greene) Cronquist
    2. Variety Senecio fremontii var. fremontii Torr. & A.Gray
    3. Variety Senecio fremontii var. inexpectatus Cronquist
    4. Variety Senecio fremontii var. occidentalis A.Gray
    5. Subspecies Senecio fremontii subsp. blitoides (Greene) W.A.Weber accepted as Senecio fremontii var. blitoides (Greene) Cronquist
    6. Subspecies Senecio fremontii subsp. fremontii accepted as Senecio fremontii Torr. & A.Gray
    7. Subspecies Senecio fremontii subsp. occidentalis (A.Gray) G.W.Douglas & Ruyle-Dougl. accepted as Senecio fremontii var. occidentalis A.Gray
  520. Species Senecio fresenii Sch.Bip.
  521. Species Senecio friesii Cabrera
  522. Species Senecio fukienensis Ling ex C.Jeffrey & Y.L.Chen
  523. Species Senecio funckii Sch.Bip.
  524. Species Senecio furusei Kitam.
  525. Species Senecio gallicus Vill.
  526. Species Senecio gallicus Chaix
    1. Subspecies Senecio gallicus subsp. gallicus Chaix
    2. Subspecies Senecio gallicus subsp. coronopifolius (Desf.) Maire accepted as Senecio glaucus subsp. coronopifolius (Maire) C.Alexander
    3. Subspecies Senecio gallicus subsp. hesperidum (Jahand. & al.) Maire accepted as Senecio hesperidum Jahand. & al.
    4. Subspecies Senecio gallicus subsp. mauritanicus (Pomel) Maire accepted as Senecio leucanthemifolius subsp. mauritanicus (Pomel) Greuter
    5. Variety Senecio gallicus var. araneosus Emb. & Maire accepted as Senecio squalidus subsp. araneosus (Emb. & Maire) C.Alexander
    6. Variety Senecio gallicus var. calyculatus Emb. & Maire accepted as Senecio gallicus Chaix
    7. Variety Senecio gallicus var. gallicus accepted as Senecio gallicus Chaix
    8. Variety Senecio gallicus var. lanigerus (Batt.) Maire accepted as Senecio leucanthemifolius Poir.
    9. Variety Senecio gallicus var. mauritanicus (Pomel) Pau accepted as Senecio leucanthemifolius Poir.
    10. Variety Senecio gallicus var. sonchifolius Ball accepted as Senecio gallicus Chaix
    11. Variety Senecio gallicus var. laxiflorus (Viv.) DC. (uncertain > unassessed)
  527. Species Senecio ganganensis Cabrera
  528. Species Senecio garaventai Cabrera
  529. Species Senecio garcibarrigae Cuatrec.
    1. Variety Senecio garcibarrigae var. garcibarrigae accepted as Senecio garcibarrigae Cuatrec.
    2. Variety Senecio garcibarrigae var. cataractarum Cuatrec. (uncertain > unassessed)
  530. Species Senecio gargantanus (Cuatrec.) Cuatrec.
  531. Species Senecio gariepiensis Cron
  532. Species Senecio garlandii F.Muell. ex Belcher
  533. Species Senecio gayanus DC.
  534. Species Senecio geifolius Sch.Bip.
  535. Species Senecio geniculatus Steud.
  536. Species Senecio gentryi (H.Rob. & Brettell) B.L.Turner & T.M.Barkley
  537. Species Senecio georgianus DC.
    1. Variety Senecio georgianus var. georgianus accepted as Senecio georgianus DC.
    2. Variety Senecio georgianus var. latifolius (uncertain > unassessed)
  538. Species Senecio gerberifolius Sch.Bip. ex Hemsl.
  539. Species Senecio gerrardii Harv.
  540. Species Senecio gertii Zardini
  541. Species Senecio gibsonii Hook.f.
  542. Species Senecio giessii Merxm.
  543. Species Senecio gilbertii Turcz.
  544. Species Senecio gilliesianus Hieron.
    1. Variety Senecio gilliesianus var. arachnoidea Hieron. accepted as Senecio goldsacki Phil.
    2. Variety Senecio gilliesianus var. gilliesianus accepted as Senecio gilliesianus Hieron.
    3. Variety Senecio gilliesianus var. glaberrima Hieron. accepted as Senecio pinnatus Poir.
  545. Species Senecio gilliesii Hook. & Arn.
    1. Variety Senecio gilliesii var. dasycarpus Cabrera
    2. Variety Senecio gilliesii var. gilliesii
  546. Species Senecio glabellus Poir.
    1. Forma Senecio glabellus f. glabellus accepted as Senecio glabellus Poir.
    2. Forma Senecio glabellus f. robustior Greenm. (uncertain > unassessed)
  547. Species Senecio glaber Less.
    1. Variety Senecio glaber var. glaber
    2. Variety Senecio glaber var. pratensis (Phil.) Cabrera
    3. Subspecies Senecio glaber subsp. glaber accepted as Senecio glaber Less.
    4. Subspecies Senecio glaber subsp. pratensis (Phil.) Cabrera (uncertain > unassessed)
  548. Species Senecio glaberrimus DC.
  549. Species Senecio glabratus Hook. & Arn.
  550. Species Senecio glabrescens (DC.) Sch.Bip.
  551. Species Senecio glabrifolius DC.
  552. Species Senecio glandulifer Dematt. & Cristóbal
  553. Species Senecio glanduloso-lanosus Thell.
  554. Species Senecio glanduloso-pilosus Volkens & Muschl.
  555. Species Senecio glandulosus Don ex Hook. & Arn.
  556. Species Senecio glastifolius L.f.
  557. Species Senecio glaucophyllus Cheeseman
    1. Subspecies Senecio glaucophyllus subsp. basinudus Ornduff accepted as Senecio matatini subsp. basinudus (Ornduff) Courtney, de Lange & Pelser
    2. Subspecies Senecio glaucophyllus subsp. discoideus (Cheeseman) Ornduff accepted as Senecio matatini subsp. discoideus (Cheeseman) Courtney, de Lange & Pelser
    3. Subspecies Senecio glaucophyllus subsp. glaucophyllus Cheeseman accepted as Senecio glaucophyllus Cheeseman
    4. Subspecies Senecio glaucophyllus subsp. raoulii (Hook.f.) Ornduff accepted as Senecio matatini subsp. basinudus (Ornduff) Courtney, de Lange & Pelser
    5. Subspecies Senecio glaucophyllus subsp. toa C.J.Webb accepted as Senecio matatini subsp. toa (C.J.Webb) Courtney, de Lange & Pelser
  558. Species Senecio glaucus L.
    1. Subspecies Senecio glaucus subsp. coronopifolius (Maire) C.Alexander
    2. Subspecies Senecio glaucus subsp. glaucus L.
    3. Subspecies Senecio glaucus subsp. hyblaeus Brullo accepted as Senecio glaucus subsp. coronopifolius (Maire) C.Alexander
    4. Subspecies Senecio glaucus subsp. cyprius Meikle (uncertain > unassessed)
  559. Species Senecio glinophyllus (H.Rob. & Brettell) McVaugh
  560. Species Senecio glomeratus Desf. ex Poir.
    1. Subspecies Senecio glomeratus subsp. longifructus I.Thomps.
    2. Subspecies Senecio glomeratus subsp. glomeratus Desf. ex Poir. (uncertain > unassessed)
  561. Species Senecio glossanthus (Sond.) Belcher
  562. Species Senecio glutinarius DC.
  563. Species Senecio glutinosus Thunb.
  564. Species Senecio gmelinii
  565. Species Senecio gnidioides Phil.
    1. Variety Senecio gnidioides var. gilvus (Phil.) Cabrera
    2. Variety Senecio gnidioides var. gnidioides
  566. Species Senecio gnoma P.Royen
  567. Species Senecio goldsacki Phil.
  568. Species Senecio gossweileri Torre
  569. Species Senecio gossypinus Baker
    1. Variety Senecio gossypinus var. gossypinus accepted as Senecio gossypinus Baker
    2. Variety Senecio gossypinus var. antanosy Humbert (uncertain > unassessed)
  570. Species Senecio graciellae Cabrera
  571. Species Senecio graciliflorus (Wall.) DC.
    1. Variety Senecio graciliflorus var. graciliflorus accepted as Senecio graciliflorus (Wall.) DC.
    2. Variety Senecio graciliflorus var. hookeri C.B.Clarke accepted as Senecio royleanus DC.
    3. Variety Senecio graciliflorus var. pleopterus (Diels) Hand.-Mazz. accepted as Senecio graciliflorus (Wall.) DC.
  572. Species Senecio graciliflorus DC.
  573. Species Senecio gramineticola C.Jeffrey
  574. Species Senecio gramineus Harv.
  575. Species Senecio grandiflorus P.J.Bergius
  576. Species Senecio grandiflorus Meyen
  577. Species Senecio grandifolius Less.
    1. Variety Senecio grandifolius var. glabrior Hemsl. accepted as Roldana schaffneri (Sch.Bip. ex Klatt) H.Rob. & Brettell
    2. Variety Senecio grandifolius var. grandifolius accepted as Senecio grandifolius Less.
  578. Species Senecio grandis Gardner
  579. Species Senecio grandjotii Cabrera
  580. Species Senecio greenmanii (H.Rob. & Brettell) L.O.Williams
  581. Species Senecio greenwayi C.Jeffrey
  582. Species Senecio gregatus Hilliard
  583. Species Senecio gregorianus DC.
    1. Variety Senecio gregorianus var. gregorianus accepted as Senecio gregorianus DC.
    2. Variety Senecio gregorianus var. latifolius J.M.Black (uncertain > unassessed)
  584. Species Senecio gregorii F.Muell.
  585. Species Senecio griffithii Hook.f. & Thomson ex C.B.Clarke
  586. Species Senecio grindeliaefolius DC.
  587. Species Senecio grisebachii Baker
    1. Variety Senecio grisebachii var. anomalus Cabrera
    2. Variety Senecio grisebachii var. balansae Cabrera
    3. Variety Senecio grisebachii var. grisebachii
    4. Variety Senecio grisebachii var. leptotus Cabrera
    5. Variety Senecio grisebachii var. pseudovernonioides Cabrera
    6. Variety Senecio grisebachii var. subincanus Cabrera
    7. Forma Senecio grisebachii f. grisebachii accepted as Senecio grisebachii Baker
    8. Variety Senecio grisebachii var. schyzotus Cabrera accepted as Senecio schyzotus (Cabrera) Iamonico
    9. Forma Senecio grisebachii f. anomalus Cabrera (uncertain > unassessed)
  588. Species Senecio grossidens Dusén ex Malme
  589. Species Senecio guadalajarensis B.L.Rob.
  590. Species Senecio guascensis Cuatrec.
  591. Species Senecio guerkei Hieron.
  592. Species Senecio guerrensis T.M.Barkley
  593. Species Senecio gunckelii Cabrera
  594. Species Senecio gunnii (Hook.f.) Belcher
  595. Species Senecio gymnocaulos Phil.
  596. Species Senecio gypsicola (R.J.Bates) I.Thomps.
  597. Species Senecio hadiensis Forssk.
  598. Species Senecio haenkeanus Cuatrec.
  599. Species Senecio haenkei DC.
  600. Species Senecio halimifolius L.
  601. Species Senecio hallianus G.D.Rowley
  602. Species Senecio hallii Hieron.
  603. Species Senecio halophilus I.Thomps.
  604. Species Senecio haloragis J.Rémy
    1. Variety Senecio haloragis var. glandulosus Cabrera
    2. Variety Senecio haloragis var. haloragis
  605. Species Senecio hamamelifolius Kunth
  606. Species Senecio hamersleyensis I.Thomps.
  607. Species Senecio hansweberi Cuatrec.
  608. Species Senecio harleyi D.J.N.Hind
  609. Species Senecio hastatifolius Cabrera
  610. Species Senecio hastatus L.
  611. Species Senecio hastifolius Less.
  612. Species Senecio hatcherianus O.Hoffm.
  613. Species Senecio hatschbachii Cabrera
  614. Species Senecio hauwai Sykes
  615. Species Senecio haworthii (Sweet) Sch.Bip.
  616. Species Senecio haygarthii M.Taylor ex Hilliard
  617. Species Senecio hedbergii C.Jeffrey
  618. Species Senecio hederiformis Cron
  619. Species Senecio helgae Cabrera
  620. Species Senecio helianthemoides Wedd.
  621. Species Senecio helichrysoides F.Muell.
  622. Species Senecio heliopsis Hilliard & B.L.Burtt
  623. Species Senecio helminthioides (Sch.Bip.) Hilliard
  624. Species Senecio helodes Benth.
  625. Species Senecio hemmendorffii Malme
  626. Species Senecio heracleifolius Hemsl.
  627. Species Senecio hercynicus Herborg
    1. Subspecies Senecio hercynicus subsp. dacicus (Hodálová & Marhold) Greuter
    2. Subspecies Senecio hercynicus subsp. dalmaticus (Griseb.) Greuter
    3. Subspecies Senecio hercynicus subsp. hercynicus Herborg
    4. Subspecies Senecio hercynicus subsp. ucranicus (Hodálová) Greuter
    5. Variety Senecio hercynicus var. hercynicus accepted as Senecio hercynicus Herborg
    6. Subspecies Senecio hercynicus subsp. durmitorensis Herborg (uncertain > unassessed)
    7. Variety Senecio hercynicus var. expansus (Boiss. & Heldr.) Herborg (uncertain > unassessed)
  628. Species Senecio hermannii B.Nord.
  629. Species Senecio herreianus Dinter
  630. Species Senecio herrerae Cabrera
  631. Species Senecio hesperidum Jahand. & al.
  632. Species Senecio heteroideus Klatt
  633. Species Senecio heteroschizus Baker
  634. Species Senecio heterotrichius DC.
  635. Species Senecio hewrensis Hook.f.
  636. Species Senecio hickenii Hauman
  637. Species Senecio hieracioides DC.
  638. Species Senecio hieracium J.Rémy
  639. Species Senecio hieronymi Griseb.
  640. Species Senecio hilairianus Cabrera
  641. Species Senecio hillebrandii Christ
  642. Species Senecio hintonii (H.Rob. & Brettell)
  643. Species Senecio hintoniorum B.L.Turner
  644. Species Senecio hirsutilobus Hilliard
  645. Species Senecio hirsutulus Phil.
  646. Species Senecio hirtellus DC.
  647. Species Senecio hirtifolius DC.
  648. Species Senecio hirtus Cabrera
  649. Species Senecio hjertingii Cabrera
  650. Species Senecio hochstetteri Sch.Bip. ex A.Rich.
    1. Variety Senecio hochstetteri var. hochstetteri accepted as Senecio hochstetteri Sch.Bip. ex A.Rich.
    2. Variety Senecio hochstetteri var. radiatus Chiov. accepted as Senecio hochstetteri Sch.Bip. ex A.Rich.
  651. Species Senecio hoehnei Cabrera
  652. Species Senecio hoggariensis Batt. & Trab.
    1. Subspecies Senecio hoggariensis subsp. hoggariensis accepted as Senecio hoggariensis Batt. & Trab.
    2. Subspecies Senecio hoggariensis subsp. massaicus accepted as Senecio massaicus (Maire) Maire
    3. Variety Senecio hoggariensis var. eradiatus Maire accepted as Senecio hoggariensis Batt. & Trab.
    4. Variety Senecio hoggariensis var. hoggariensis accepted as Senecio hoggariensis Batt. & Trab.
  653. Species Senecio hohenacke
  654. Species Senecio hohenackeri Sch.Bip. ex Sch.Bip.
    1. Variety Senecio hohenackeri var. hohenackeri accepted as Senecio hohenackeri Sch.Bip. ex Sch.Bip.
    2. Variety Senecio hohenackeri var. rupestris (Wight) Gamble accepted as Senecio madrasensis var. rupestris (Wight) Gambel
  655. Species Senecio hoi Dunn
  656. Species Senecio hollandii Compton
  657. Species Senecio holubii Hutch. & Burtt Davy
  658. Species Senecio hookeri (ex Decne.) Hombr. & Jacq.
  659. Species Senecio howeanus Belcher
  660. Species Senecio hualtaranensis Petenatti, Ariza & Del Vitto
  661. Species Senecio hualtata Bertero ex DC.
    1. Variety Senecio hualtata var. hualtata accepted as Senecio hualtata Bertero ex DC.
    2. Variety Senecio hualtata var. variabilis (Phil.) Reiche accepted as Senecio fistulosus Poepp. ex Less.
  662. Species Senecio huitrinicus Cabrera
  663. Species Senecio humbertii C.C.Chang
  664. Species Senecio humidanus C.Jeffrey
  665. Species Senecio humifusus (Hook.f.) Cabrera
  666. Species Senecio humillimus Sch.Bip. ex Wedd.
    1. Variety Senecio humillimus var. fruticulosus Wedd. accepted as Senecio humillimus Sch.Bip. ex Wedd.
    2. Variety Senecio humillimus var. humillimus accepted as Senecio humillimus Sch.Bip. ex Wedd.
    3. Variety Senecio humillimus var. melanolepis Wedd. accepted as Senecio humillimus Sch.Bip. ex Wedd.
    4. Variety Senecio humillimus var. vegetus Wedd. accepted as Senecio vegetus (Wedd.) Cabrera
  667. Species Senecio hydrophiloides Rydb.
  668. Species Senecio hydrophilus Nutt.
    1. Variety Senecio hydrophilus var. hydrophilus accepted as Senecio hydrophilus Nutt.
    2. Variety Senecio hydrophilus var. pacificus Greene accepted as Senecio hydrophilus Nutt.
  669. Species Senecio hypargyraeus DC.
    1. Variety Senecio hypargyraeus var. hypargyraeus accepted as Senecio hypargyraeus DC.
    2. Variety Senecio hypargyraeus var. alticolus Humbert (uncertain > unassessed)
    3. Variety Senecio hypargyraeus var. glabrescens Humbert (uncertain > unassessed)
  670. Species Senecio hypochoerideus DC.
  671. Species Senecio hypoleucus F.Muell. ex Benth.
  672. Species Senecio hypsobates Wedd.
    1. Variety Senecio hypsobates var. hypsobates accepted as Senecio hypsobates Wedd.
    2. Variety Senecio hypsobates var. parvulus Cuatrec. (uncertain > unassessed)
  673. Species Senecio icaensis H.Beltrán & A.Galán
  674. Species Senecio icoglossoides Arechav.
  675. Species Senecio icoglossus DC.
    1. Variety Senecio icoglossus var. gigantophyllus Cabrera
    2. Variety Senecio icoglossus var. icoglossus
    3. Variety Senecio icoglossus var. spledens Cabrera
    4. Variety Senecio icoglossus var. araneosus DC. accepted as Senecio pulcher Hook. & Arn.
    5. Variety Senecio icoglossus var. montanus Dusén (uncertain > unassessed)
    6. Variety Senecio icoglossus var. splendens Cabrera (uncertain > unassessed)
  676. Species Senecio ilicifolius L.
  677. Species Senecio iljinii Schischk.
  678. Species Senecio illapelinus Phil.
  679. Species Senecio illinitus Phil.
  680. Species Senecio imbaburensis Sklenář & Marhold
  681. Species Senecio immixtus C.Jeffrey
  682. Species Senecio inaequidens DC.
  683. Species Senecio incisus Thunb.
  684. Species Senecio incomptus DC.
  685. Species Senecio incrassatus Lowe
  686. Species Senecio infernalis Cabrera
  687. Species Senecio infimus Cabrera
  688. Species Senecio infirmus C.Jeffrey
  689. Species Senecio ingeliensis Hilliard
  690. Species Senecio inornatus DC.
  691. Species Senecio integerrimus Nutt.
    1. Variety Senecio integerrimus var. exaltatus (Nutt.) Cronquist
    2. Variety Senecio integerrimus var. integerrimus Nutt.
    3. Variety Senecio integerrimus var. major (A.Gray) Cronquist
    4. Variety Senecio integerrimus var. ochroleucus (A.Gray) Cronquist
    5. Variety Senecio integerrimus var. scribneri (Rydb.) T.M.Barkley
    6. Forma Senecio integerrimus f. integerrimus Nutt. accepted as Senecio integerrimus Nutt.
    7. Variety Senecio integerrimus var. lugens (Richardson) B.Boivin accepted as Senecio lugens Richardson
    8. Variety Senecio integerrimus var. vaseyi Cronquist accepted as Senecio integerrimus var. exaltatus (Nutt.) Cronquist
    9. Forma Senecio integerrimus f. ochroleucus B.Boivin (uncertain > unassessed)
    10. Variety Senecio integerrimus var. lugens (Rich.) B.Boivin (uncertain > unassessed)
  692. Species Senecio integrifolius Kern.
    1. Subspecies Senecio integrifolius subsp. amurensis (Schischk.) Vorosch. accepted as Tephroseris kirilowii (Turcz. ex DC.) Holub
    2. Subspecies Senecio integrifolius subsp. aucheri (DC.) V.A.Matthews accepted as Tephroseris integrifolia subsp. aucheri (DC.) B.Nord.
    3. Subspecies Senecio integrifolius subsp. aurantiacus (Hoppe ex Willd.) Briq. & Cavill. accepted as Tephroseris integrifolia subsp. aurantiaca (Hoppe) B.Nord.
    4. Subspecies Senecio integrifolius subsp. integrifolius accepted as Senecio integrifolius Kern.
    5. Subspecies Senecio integrifolius subsp. karsianus V.A.Matthews accepted as Tephroseris integrifolia subsp. karsiana (Matthews) B.Nord.
    6. Subspecies Senecio integrifolius subsp. maritimus (Syme) Chater accepted as Tephroseris integrifolia subsp. maritima (Syme) B.Nord.
    7. Subspecies Senecio integrifolius subsp. serpentini (Gáyer) Jáv. accepted as Tephroseris integrifolia subsp. serpentini (Gáyer) B.Nord.
  693. Species Senecio integrifolius Hook.
    1. Forma Senecio integrifolius f. integrifolius accepted as Senecio integrifolius Hook.
  694. Species Senecio interpositus I.Thomps.
  695. Species Senecio intricatus S.Moore
  696. Species Senecio invalidus C.Jeffrey
  697. Species Senecio involucratus (Kunth) DC.
  698. Species Senecio iranicus B.Nord.
  699. Species Senecio isabelis S.Díaz
  700. Species Senecio isatideus DC.
    1. Variety Senecio isatideus var. isatideus accepted as Senecio isatideus DC.
    2. Variety Senecio isatideus var. macrophyllus Thell. accepted as Senecio isatidioides E.Phillips & C.A.Sm.
  701. Species Senecio isatidioides E.Phillips & C.A.Sm.
  702. Species Senecio isernii Phil.
  703. Species Senecio ishcaivilcanus Cuatrec.
  704. Species Senecio jacalensis Greenm.
  705. Species Senecio jacksonii S.Moore
    1. Subspecies Senecio jacksonii subsp. caryophyllus (Mattf.) accepted as Senecio jacksonii S.Moore
    2. Subspecies Senecio jacksonii subsp. jacksonii accepted as Senecio jacksonii S.Moore
    3. Subspecies Senecio jacksonii subsp. sympodialis (R.E.Fr.) Hedb. accepted as Senecio jacksonii S.Moore
    4. Variety Senecio jacksonii var. jacksonii accepted as Senecio jacksonii S.Moore
    5. Variety Senecio jacksonii var. sympodialis (R.E.Fr.) Hedberg accepted as Senecio jacksonii S.Moore
  706. Species Senecio jacobeiformis
  707. Species Senecio jacuticus Schischk.
  708. Species Senecio jaffuelii Cabrera
  709. Species Senecio jaliscanus S.Watson
  710. Species Senecio jarae Phil.
  711. Species Senecio jilesii Cabrera
  712. Species Senecio jinotegensis Klatt
  713. Species Senecio jobii Cabrera
  714. Species Senecio johnstonianus Cabrera
  715. Species Senecio johnstonii Oliv.
    1. Subspecies Senecio johnstonii subsp. adnivalis (Stapf) C.Jeffrey
    2. Subspecies Senecio johnstonii subsp. johnstonii
    3. Variety Senecio johnstonii var. cheranganiensis C.Jeffrey
    4. Variety Senecio johnstonii var. erici-rosenii (R.E.Fr. & T.C.E.Fr.) C.Jeffrey
    5. Variety Senecio johnstonii var. johnstonii
    6. Variety Senecio johnstonii var. kilimanjari (Mildbr.) C.Jeffrey
    7. Subspecies Senecio johnstonii subsp. barbatipes (Hedberg) Mabb. accepted as Dendrosenecio elgonensis subsp. barbatipes (Hedberg) E.B.Knox
    8. Subspecies Senecio johnstonii subsp. battiscombei (R.E.Fr. & T.C.E.Fr.) Mabb. accepted as Dendrosenecio battiscombei (R.E.Fr. & T.C.E.Fr.) E.B.Knox
    9. Subspecies Senecio johnstonii subsp. cheranganiensis (Cotton & Blakelock) Mabb. accepted as Senecio johnstonii var. cheranganiensis C.Jeffrey
    10. Subspecies Senecio johnstonii subsp. cottonii (Hutch. & Taylor) Mabb. accepted as Dendrosenecio kilimanjari subsp. cottonii (Hutch. & G.Taylor) E.B.Knox
    11. Subspecies Senecio johnstonii subsp. dalei (Cotton & Blakelock) Mabb. accepted as Dendrosenecio cheranganiensis subsp. dalei (Cotton & Blakelock) E.B.Knox
    12. Subspecies Senecio johnstonii subsp. elgonensis (T.C.E.Fr.) Mabb. accepted as Dendrosenecio elgonensis subsp. elgonensis
    13. Subspecies Senecio johnstonii subsp. refractisquamatus (De Wild.) Mabb. accepted as Dendrosenecio adnivalis var. adnivalis
    14. Variety Senecio johnstonii var. adnivalis (Stapf) C.Jeffrey accepted as Senecio johnstonii subsp. adnivalis (Stapf) C.Jeffrey
    15. Variety Senecio johnstonii var. alticola (T.C.E.Fr.) C.Jeffrey accepted as Dendrosenecio erici-rosenii subsp. alticola (Mildbr.) E.B.Knox
    16. Variety Senecio johnstonii var. battiscombei (R.E.Fr. & T.C.E.Fr.) Mabb. accepted as Dendrosenecio battiscombei (R.E.Fr. & T.C.E.Fr.) E.B.Knox
    17. Variety Senecio johnstonii var. battiscombei (R.E.Fr. & T.C.E.Fr.) C.Jeffrey accepted as Dendrosenecio battiscombei (R.E.Fr. & T.C.E.Fr.) E.B.Knox
    18. Variety Senecio johnstonii var. cottonii (Hutch. & G.Taylor) C.Jeffrey accepted as Dendrosenecio kilimanjari subsp. cottonii (Hutch. & G.Taylor) E.B.Knox
    19. Variety Senecio johnstonii var. dalei C.Jeffrey accepted as Dendrosenecio cheranganiensis subsp. dalei (Cotton & Blakelock) E.B.Knox
    20. Variety Senecio johnstonii var. elgonensis (T.C.E.Fr.) C.Jeffrey accepted as Dendrosenecio elgonensis subsp. elgonensis
    21. Variety Senecio johnstonii var. elgonensis (T.C.E.Fr.) Mabb. accepted as Dendrosenecio elgonensis subsp. elgonensis
    22. Variety Senecio johnstonii var. friesiorum (Mildbr.) Mabb. accepted as Dendrosenecio adnivalis subsp. friesiorum (Mildbr.) E.B.Knox
    23. Variety Senecio johnstonii var. ligulatus C.Jeffrey accepted as Dendrosenecio elgonensis subsp. barbatipes (Hedberg) E.B.Knox
    24. Variety Senecio johnstonii var. meruensis (Cotton & Blakelock) C.Jeffrey accepted as Dendrosenecio meruensis (Cotton & Blakelock) E.B.Knox
  716. Species Senecio jorquerae Phil.
  717. Species Senecio josei Sklenář
  718. Species Senecio juergensii Mattf.
  719. Species Senecio jujuyensis Cabrera
  720. Species Senecio julianus Speg.
  721. Species Senecio junceus (DC.) Harv.
  722. Species Senecio jungei Phil.
  723. Species Senecio juniperinus L.f.
    1. Variety Senecio juniperinus var. epitrachys (DC.) Harv.
    2. Variety Senecio juniperinus var. juniperinus L.f.
  724. Species Senecio junodii Hutch. & Burtt Davy
  725. Species Senecio jurgensenii Hemsl.
  726. Species Senecio kacondensis S.Moore
  727. Species Senecio kalingenwae Hilliard & B.L.Burtt
  728. Species Senecio karaguensis O.Hoffm.
  729. Species Senecio karstenii Hieron.
    1. Variety Senecio karstenii var. karstenii accepted as Senecio karstenii Hieron.
    2. Variety Senecio karstenii var. lanceolata Cuatrec. (uncertain > unassessed)
  730. Species Senecio katangensis O.Hoffm.
    1. Variety Senecio katangensis var. katangensis
    2. Variety Senecio katangensis var. latifolia Lisowski
  731. Species Senecio kawakamii Makino
  732. Species Senecio kayomborum Beentje
  733. Species Senecio keniensis Baker f.
    1. Subspecies Senecio keniensis subsp. keniensis
    2. Subspecies Senecio keniensis subsp. brassiciformis (R.E.Fr. & T.C.E.Fr.) C.Jeffrey accepted as Dendrosenecio brassiciformis (R.E.Fr. & T.C.E.Fr.) Mabb.
  734. Species Senecio keniophytum R.E.Fr.
    1. Variety Senecio keniophytum var. candidolanatus R.E.Fr. accepted as Senecio keniophytum R.E.Fr.
    2. Variety Senecio keniophytum var. decumbens R.E.Fr. accepted as Senecio keniophytum R.E.Fr.
    3. Variety Senecio keniophytum var. glabrior R.E.Fr. accepted as Senecio keniophytum R.E.Fr.
    4. Variety Senecio keniophytum var. keniophytum accepted as Senecio keniophytum R.E.Fr.
  735. Species Senecio kenteicus Grub.
  736. Species Senecio kerberi Greenm.
  737. Species Senecio kermadecensis Belcher
  738. Species Senecio keshua Cabrera
  739. Species Senecio killipii Cabrera
  740. Species Senecio kingbishopii Cuatrec.
  741. Species Senecio kingianus W.W.Sm.
  742. Species Senecio kingii Hook.f.
    1. Variety Senecio kingii var. kingii
    2. Variety Senecio kingii var. paradoxus Cabrera
    3. Forma Senecio kingii f. kingii accepted as Senecio kingii Hook.f.
    4. Forma Senecio kingii f. subdiscoideus (Sch.Bip. ex Wedd.) Hosseus accepted as Senecio subdiscoideus Sch.Bip. ex Wedd.
  743. Species Senecio klattii Greenm.
  744. Species Senecio kolenatianus C.A.Mey.
    1. Subspecies Senecio kolenatianus subsp. kolenatianus accepted as Senecio kolenatianus C.A.Mey.
    2. Subspecies Senecio kolenatianus subsp. pseudoorientalis (Schischk.) V.E.Avet. accepted as Senecio pseudoorientalis Schischk.
    3. Subspecies Senecio kolenatianus subsp. pseudoorientalis (Schischk.) Avetisyan (uncertain > unassessed)
  745. Species Senecio kongboensis Ludlow
  746. Species Senecio korshinskyi Krasch.
  747. Species Senecio kosterae Cabrera
  748. Species Senecio kotschyanus Boiss.
  749. Species Senecio krameri Franch. & Sav.
  750. Species Senecio krapovickasii Cabrera
  751. Species Senecio krascheninnikovii Schischk.
    1. Variety Senecio krascheninnikovii var. alba (B.Ghosh & U.C.Bhattach.) H.B.Naithani
    2. Variety Senecio krascheninnikovii var. krascheninnikovii
    3. Variety Senecio krascheninnikovii var. albus (Ghose & U.C.Bhattach.) H.B.Naithani (uncertain > unassessed)
    4. Variety Senecio krascheninnikovii var. albus (B.Ghosh & U.C.Bhattach.) Aswal & Mehrotra (uncertain > unassessed)
  752. Species Senecio kuanshanensis C.I Peng & S.W.Chung
  753. Species Senecio kuhbieri Cuatrec.
  754. Species Senecio kuhlmannii Cabrera
  755. Species Senecio kuluensis S.Moore
  756. Species Senecio kumaonensis Duthie ex C.Jeffrey & Y.L.Chen
  757. Species Senecio kundaicus C.E.C.Fisch.
  758. Species Senecio kundelungensis Lisowski
  759. Species Senecio kunthianus Wall. ex DC.
  760. Species Senecio kunturinus Cabrera
  761. Species Senecio laceratus (F.Muell.) Belcher
  762. Species Senecio lacustrinus I.Thomps.
  763. Species Senecio ladakhensis H.J.Chowdhery, Uniyal, R.Mathur & R.R.Rao
  764. Species Senecio laetevirens Phil.
  765. Species Senecio laetus Edgew.
    1. Variety Senecio laetus var. analogus (DC.) R.Mathur ex Karthik. & Moorthy accepted as Senecio analogus DC.
    2. Variety Senecio laetus var. analogus (DC.) R.Mathur accepted as Senecio analogus DC.
    3. Variety Senecio laetus var. laetus accepted as Senecio laetus Edgew.
    4. Variety Senecio laetus var. sisymbriiformis (DC.) Aswal accepted as Senecio analogus DC.
    5. Variety Senecio laetus var. sisymbriiformis R.Mathur (uncertain > unassessed)
    6. Variety Senecio laetus var. spectabilis (Wall. ex DC.) R.Mathur ex Karthik. & Moorthy (uncertain > unassessed)
    7. Variety Senecio laetus var. spectabilis (Hook.f.) R.Mathur (uncertain > unassessed)
  766. Species Senecio laevicaulis DC.
  767. Species Senecio laevigatus Thunb.
    1. Variety Senecio laevigatus var. integrifolius Harv.
    2. Variety Senecio laevigatus var. laevigatus Thunb.
  768. Species Senecio lagascanus DC.
    1. Subspecies Senecio lagascanus subsp. lagascanus
    2. Subspecies Senecio lagascanus subsp. lusitanicus (Cout.) P.Silva
  769. Species Senecio lageniformis I.Thomps.
  770. Species Senecio lamarckianus Bullock
  771. Species Senecio lanatus L.f.
  772. Species Senecio lanceus Aiton
  773. Species Senecio lancifer J.R.Drumm.
  774. Species Senecio landbeckii Phil.
  775. Species Senecio langei Malme
  776. Species Senecio lanibracteus I.Thomps.
  777. Species Senecio lanicaulis Greenm.
  778. Species Senecio lanifer Mart. ex C.Jeffrey
  779. Species Senecio lanosissimus Cabrera
  780. Species Senecio lanuginosus Spreng.
    1. Forma Senecio lanuginosus f. lanuginosus accepted as Senecio lanuginosus Spreng.
    2. Forma Senecio lanuginosus f. cordifolius M.R.Almeida (uncertain > unassessed)
  781. Species Senecio lanuginosus (Edgew.) M.R.Almeida
    1. Variety Senecio lanuginosus var. lanuginosus accepted as Senecio lanuginosus (Edgew.) M.R.Almeida
    2. Variety Senecio lanuginosus var. tomentosus (Wight) M.R.Almeida accepted as Senecio edgeworthii Hook.f.
    3. Variety Senecio lanuginosus var. aclandii M.R.Almeida (uncertain > unassessed)
  782. Species Senecio larahuinensis H.Beltrán & A.Galán
  783. Species Senecio larecajensis Cabrera
  784. Species Senecio laricifolius Kunth
  785. Species Senecio laseguei
  786. Species Senecio lasiocaulon T.M.Barkley
  787. Species Senecio lastarrianus J.Rémy
  788. Species Senecio latecorymbosus Gilli
  789. Species Senecio laticipes Bruyns
  790. Species Senecio latiflorus Wedd.
    1. Variety Senecio latiflorus var. lacunosus Cuatrec.
    2. Variety Senecio latiflorus var. latiflorus
  791. Species Senecio latifolius DC.
    1. Variety Senecio latifolius var. barbellatus (DC.) Harv. accepted as Senecio retrorsus DC.
    2. Variety Senecio latifolius var. latifolius accepted as Senecio latifolius DC.
    3. Variety Senecio latifolius var. retrorsus (DC.) Harv. accepted as Senecio retrorsus DC.
  792. Species Senecio latissimifolius S.Moore
  793. Species Senecio laucanus Ricardi & Martic.
  794. Species Senecio lautus G.Forst. ex Willd.
    1. Variety Senecio lautus var. esperensis Sykes
    2. Variety Senecio lautus var. lautus Willd.
    3. Forma Senecio lautus f. lautus G.Forst. ex Willd. accepted as Senecio lautus G.Forst. ex Willd.
    4. Subspecies Senecio lautus subsp. carnosulus (Kirk) Ornd. accepted as Senecio carnosulus (Kirk) C.J.Webb
    5. Subspecies Senecio lautus subsp. esperensis (Sykes) de Lange accepted as Senecio lautus var. esperensis Sykes
    6. Subspecies Senecio lautus subsp. lautus accepted as Senecio lautus G.Forst. ex Willd.
    7. Variety Senecio lautus var. carnosulus Kirk accepted as Senecio carnosulus (Kirk) C.J.Webb
    8. Variety Senecio lautus var. discoideus Cheeseman accepted as Senecio matatini subsp. discoideus (Cheeseman) Courtney, de Lange & Pelser
    9. Variety Senecio lautus var. montanus Cheeseman accepted as Senecio matatini Liew, Courtney, de Lange & Pelser
    10. Variety Senecio lautus var. radiolatus (F.Muell.) Kirk accepted as Senecio radiolatus F.Muell.
    11. Variety Senecio lautus var. raoulii Hook.f. accepted as Senecio matatini subsp. basinudus (Ornduff) Courtney, de Lange & Pelser
    12. Variety Senecio lautus var. α Cheeseman accepted as Senecio carnosulus (Kirk) C.J.Webb
    13. Variety Senecio lautus var. γ macrocephalus Hook.f. accepted as Senecio sterquilinus Ornduff
    14. Forma Senecio lautus f. opinnatifolius Hochr. (uncertain > unassessed)
    15. Subspecies Senecio lautus subsp. alpinus Ali (uncertain > unassessed)
    16. Subspecies Senecio lautus subsp. dissectifolius Ali (uncertain > unassessed)
    17. Subspecies Senecio lautus subsp. dissectifolius (uncertain > unassessed)
    18. Subspecies Senecio lautus subsp. lanceolatus (Benth.) Ali (uncertain > unassessed)
    19. Subspecies Senecio lautus subsp. lanceolatus (uncertain > unassessed)
    20. Subspecies Senecio lautus subsp. maritimus Ali (uncertain > unassessed)
    21. Subspecies Senecio lautus subsp. maritimus (uncertain > unassessed)
  795. Species Senecio lawalreeanus Lisowski
  796. Species Senecio lawsonii Gamble
  797. Species Senecio laxus DC.
  798. Species Senecio legionensis Lange
  799. Species Senecio leioclados Cuatrec.
  800. Species Senecio lejolyanus Lisowski
  801. Species Senecio lelyi Hutch.
  802. Species Senecio lemmonii A.Gray
  803. Species Senecio lenensis Schischk.
  804. Species Senecio leonensis Greenm.
  805. Species Senecio leontodontis DC.
  806. Species Senecio leptocaulos Phil.
  807. Species Senecio leptolobus DC.
  808. Species Senecio leptophyllus DC.
  809. Species Senecio leptopterus Mesfin
  810. Species Senecio leptoschizus Bong.
    1. Variety Senecio leptoschizus var. leptocladus Baker accepted as Senecio leptoschizus Bong.
    2. Variety Senecio leptoschizus var. leptoschizus accepted as Senecio leptoschizus Bong.
  811. Species Senecio lessingianus (Wight & Arn.) C.B.Clarke
  812. Species Senecio lessingii Harv.
  813. Species Senecio letouzeyanus Lisowski
  814. Species Senecio leucadendron Benth. & Hook.f.
  815. Species Senecio leucanthemifolius Poir.
    1. Subspecies Senecio leucanthemifolius subsp. caucasicus (DC.) Greuter
    2. Subspecies Senecio leucanthemifolius subsp. crassifolius (Willd.) Ball
    3. Subspecies Senecio leucanthemifolius subsp. cyrenaicus (E.A.Durand & Barratte) Greuter
    4. Subspecies Senecio leucanthemifolius subsp. humilis (Desf.) Murb.
    5. Subspecies Senecio leucanthemifolius subsp. leucanthemifolius Poir.
    6. Subspecies Senecio leucanthemifolius subsp. mauritanicus (Pomel) Greuter
    7. Subspecies Senecio leucanthemifolius subsp. vernalis (Waldst. & Kit.) Greuter
    8. Subspecies Senecio leucanthemifolius subsp. poiretianus Maire accepted as Senecio leucanthemifolius subsp. leucanthemifolius Poir.
    9. Variety Senecio leucanthemifolius var. atlanticus (Boiss. & Reut.) Batt. accepted as Senecio leucanthemifolius Poir.
    10. Variety Senecio leucanthemifolius var. casablancae Alexander accepted as Senecio leucanthemifolius Poir.
    11. Variety Senecio leucanthemifolius var. cyrenaicus E.A.Durand & Barratte accepted as Senecio leucanthemifolius subsp. cyrenaicus (E.A.Durand & Barratte) Greuter
    12. Variety Senecio leucanthemifolius var. eradiatus Leredde accepted as Senecio leucanthemifolius Poir.
    13. Variety Senecio leucanthemifolius var. falcifolius (Bolle) G.Kunkel accepted as Senecio leucanthemifolius subsp. leucanthemifolius Poir.
    14. Variety Senecio leucanthemifolius var. fradinii (Pomel) Batt. accepted as Senecio leucanthemifolius Poir.
    15. Variety Senecio leucanthemifolius var. giganteus Caball. accepted as Senecio leucanthemifolius Poir.
    16. Variety Senecio leucanthemifolius var. humilis (Desf.) Batt. accepted as Senecio leucanthemifolius Poir.
    17. Variety Senecio leucanthemifolius var. lanuginosus Batt. accepted as Senecio leucanthemifolius Poir.
    18. Variety Senecio leucanthemifolius var. latisectus Pau & Font Quer accepted as Senecio leucanthemifolius Poir.
    19. Variety Senecio leucanthemifolius var. leucanthemifolius Poir. accepted as Senecio leucanthemifolius subsp. leucanthemifolius Poir.
    20. Variety Senecio leucanthemifolius var. major Ball accepted as Senecio leucanthemifolius Poir.
    21. Variety Senecio leucanthemifolius var. mauritanicus (Pomel) Batt. accepted as Senecio leucanthemifolius subsp. mauritanicus (Pomel) Greuter
    22. Variety Senecio leucanthemifolius var. paui Maire accepted as Senecio leucanthemifolius Poir.
    23. Variety Senecio leucanthemifolius var. salzmannii Rouy accepted as Senecio leucanthemifolius Poir.
    24. Variety Senecio leucanthemifolius var. vernalis (Waldst. & Kit.) C.Alexander accepted as Senecio leucanthemifolius subsp. vernalis (Waldst. & Kit.) Greuter
    25. Variety Senecio leucanthemifolius var. vernus (Biv.) Fiori accepted as Senecio leucanthemifolius Poir.
    26. Subspecies Senecio leucanthemifolius subsp. apulus (Ten.) Fen. (uncertain > unassessed)
    27. Subspecies Senecio leucanthemifolius subsp. cossyrensis (Lojac.) C.Brullo & Brullo (uncertain > unassessed)
    28. Subspecies Senecio leucanthemifolius subsp. pectinatus (Guss.) C.Brullo & Brullo (uncertain > unassessed)
    29. Subspecies Senecio leucanthemifolius subsp. rodriguezii (Willk. ex Rodr.Fem.) O.Bolòs & Vigo (uncertain > unassessed)
    30. Subspecies Senecio leucanthemifolius subsp. transiens (Rouy) Auquier & Lambinon (uncertain > unassessed)
    31. Variety Senecio leucanthemifolius var. casablancae C.Alexander (uncertain > unassessed)
    32. Variety Senecio leucanthemifolius var. cossyrensis Lojac. (uncertain > unassessed)
    33. Variety Senecio leucanthemifolius var. pectinatus Guss. (uncertain > unassessed)
  816. Species Senecio leucanthemoides Cuatrec.
  817. Species Senecio leuceria Cabrera
  818. Species Senecio leucoglossus Sond.
  819. Species Senecio leucoglossus F.Muell.
  820. Species Senecio leucomallus A.Gray
    1. Variety Senecio leucomallus var. incisus A.Gray
    2. Variety Senecio leucomallus var. leucomallus
  821. Species Senecio leucopeplus Cabrera
  822. Species Senecio leucophyton Phil.
  823. Species Senecio leucostachys Baker
    1. Variety Senecio leucostachys var. leucostachys Baker accepted as Senecio leucostachys Baker
    2. Variety Senecio leucostachys var. schreiteri (Cabrera) Tortosa & Adr.Bartoli (uncertain > unassessed)
  824. Species Senecio leucus Phil.
  825. Species Senecio levingii C.B.Clarke
  826. Species Senecio lewallei Lisowski
  827. Species Senecio lhasaensis Ling ex C.Jeffrey & Y.L.Chen
  828. Species Senecio liangshanensis C.Jeffrey & Y.L.Chen
  829. Species Senecio liebmannii Buchinger ex Klatt
  830. Species Senecio ligularia Hook.f.
    1. Variety Senecio ligularia var. atkinsonii (C.B.Clarke) Hook.f. accepted as Ligularia atkinsonii (C.B.Clarke) S.W.Liu
    2. Variety Senecio ligularia var. ligularia accepted as Senecio ligularia Hook.f.
    3. Variety Senecio ligularia var. polycephalus Hemsl. accepted as Ligularia wilsoniana (Hemsl.) Greenm.
    4. Variety Senecio ligularia var. glaberrina H.Lév. (uncertain > unassessed)
    5. Variety Senecio ligularia var. speciosa Fisch. & Meyer ex Fisch. & Meyer ex Palibin (uncertain > unassessed)
    6. Variety Senecio ligularia var. stenocephalus H.Lév. (uncertain > unassessed)
    7. Variety Senecio ligularia var. vulgaris H.Lév. (uncertain > unassessed)
  831. Species Senecio lijiangensis C.Jeffrey & Y.L.Chen
  832. Species Senecio lilloi Cabrera
  833. Species Senecio limosus Dusén ex Malme
  834. Species Senecio linaresensis Soldano
  835. Species Senecio linariifolius Poepp. ex DC.
    1. Variety Senecio linariifolius var. aclonetus (Phil.) Cabrera
    2. Variety Senecio linariifolius var. heliophytoides (Phil.) Reiche
    3. Variety Senecio linariifolius var. linariifolius
    4. Variety Senecio linariifolius var. subtomentosus Cabrera
    5. Variety Senecio linariifolius var. angustissimus (Phil.) Speg. accepted as Senecio angustissimus Phil.
    6. Variety Senecio linariifolius var. discotideus Kuntze accepted as Senecio polygaloides Phil.
    7. Variety Senecio linariifolius var. longifolia Phil. accepted as Senecio farinifer Hook. & Arn.
    8. Variety Senecio linariifolius var. subdiscoideus DC. accepted as Senecio subumbellatus Phil.
    9. Variety Senecio linariifolius var. angustissima (Phil.) Speg. (uncertain > unassessed)
    10. Variety Senecio linariifolius var. discodeus Kuntze (uncertain > unassessed)
    11. Variety Senecio linariifolius var. longifolius Phil. (uncertain > unassessed)
    12. Variety Senecio linariifolius var. subdiscoideus Wedd. (uncertain > unassessed)
    13. Variety Senecio linariifolius var. tenuifolius DC. (uncertain > unassessed)
    14. Variety Senecio linariifolius var. tenuifolius Wedd. (uncertain > unassessed)
  836. Species Senecio linearifolius A.Rich.
    1. Variety Senecio linearifolius var. dangarensis Belcher ex I.Thomps.
    2. Variety Senecio linearifolius var. gariwerdensis I.Thomps.
    3. Variety Senecio linearifolius var. graniticola I.Thomps.
    4. Variety Senecio linearifolius var. intermedius I.Thomps.
    5. Variety Senecio linearifolius var. tenuifolius DC. accepted as Senecio polygaloides Phil.
    6. Variety Senecio linearifolius var. arachnoideus I.Thomps. (uncertain > unassessed)
    7. Variety Senecio linearifolius var. denticulatus I.Thomps. (uncertain > unassessed)
    8. Variety Senecio linearifolius var. latifolius I.Thomps. (uncertain > unassessed)
    9. Variety Senecio linearifolius var. linearifolius A.Rich. (uncertain > unassessed)
    10. Variety Senecio linearifolius var. macrodontus (DC.) I.Thomps. (uncertain > unassessed)
  837. Species Senecio linearilobus Bong.
    1. Variety Senecio linearilobus var. beta Hook. & Arn. accepted as Senecio hakeifolius var. hakeifolius
    2. Variety Senecio linearilobus var. linearilobus accepted as Senecio linearilobus Bong.
  838. Species Senecio lineatus (L.f.) DC.
  839. Species Senecio lingianus C.Jeffrey & Y.L.Chen
  840. Species Senecio lingulatus (Willd. ex Schltdl.) Cuatrec.
  841. Species Senecio linifolius (L.) L.
    1. Subspecies Senecio linifolius subsp. linifolius accepted as Senecio linifolius (L.) L.
    2. Subspecies Senecio linifolius subsp. nevadensis (Boiss. & Reut.) Nyman accepted as Senecio nevadensis Boiss. & Reut.
    3. Variety Senecio linifolius var. frigidus DC. accepted as Senecio nevadensis Boiss. & Reut.
    4. Variety Senecio linifolius var. linifolius accepted as Senecio linifolius (L.) L.
  842. Species Senecio linifolius (DC.) C.B.Clarke
  843. Species Senecio lisowskii Long Wang & Beentje
  844. Species Senecio lithophilus Greenm.
  845. Species Senecio lithostaurus Cabrera
  846. Species Senecio litorosus Fourc.
  847. Species Senecio littoralis Gaudich.
    1. Variety Senecio littoralis var. glabrata Gaudich. accepted as Senecio vaginatus Hook. & Arn.
    2. Variety Senecio littoralis var. lanata Gaudich. accepted as Senecio littoralis Gaudich.
    3. Variety Senecio littoralis var. littoralis accepted as Senecio littoralis Gaudich.
  848. Species Senecio littoralis Poepp.
    1. Variety Senecio littoralis var. littoralis accepted as Senecio littoralis Poepp.
    2. Variety Senecio littoralis var. alfa lanata Gaudich. (uncertain > unassessed)
    3. Variety Senecio littoralis var. beta glabrata Gaudich. (uncertain > unassessed)
    4. Variety Senecio littoralis var. glabratus DC. (uncertain > unassessed)
    5. Variety Senecio littoralis var. lanatus DC. (uncertain > unassessed)
  849. Species Senecio littoreus Thunb.
    1. Variety Senecio littoreus var. hispidulus Harv.
    2. Variety Senecio littoreus var. littoreus Thunb.
  850. Species Senecio lividus L.
    1. Subspecies Senecio lividus subsp. lividus L.
    2. Subspecies Senecio lividus subsp. foeniculaceus (Ten.) Braun-Blanq. & Maire accepted as Senecio lividus subsp. lividus L.
    3. Variety Senecio lividus var. biennis Humbert accepted as Senecio lividus L.
    4. Variety Senecio lividus var. lividus accepted as Senecio lividus L.
    5. Variety Senecio lividus var. major Gren. & Godr. accepted as Senecio lividus L.
    6. Variety Senecio lividus var. pinguis Ball accepted as Senecio lividus L.
  851. Species Senecio loayzanus Cabrera
  852. Species Senecio lobelioides DC.
  853. Species Senecio lombokensis J.Kost.
  854. Species Senecio longepenicillatus Sch.Bip. ex Sandwith
  855. Species Senecio longicollaris I.Thomps.
  856. Species Senecio longilinguae Cuatrec.
  857. Species Senecio longiscapus Bojer ex DC.
  858. Species Senecio looseri Cabrera
  859. Species Senecio lopez-guillenii Cabrera
  860. Species Senecio lopezii Boiss.
  861. Species Senecio lopez-mirandae Cabrera
  862. Species Senecio loratifolius Greenm.
  863. Species Senecio lorentziella Hicken
  864. Species Senecio lorentzii Griseb.
    1. Variety Senecio lorentzii var. latifolius Cabrera accepted as Senecio lorentzii Griseb.
    2. Variety Senecio lorentzii var. lorentzii accepted as Senecio lorentzii Griseb.
    3. Variety Senecio lorentzii var. radiatus Cabrera accepted as Senecio lorentzii Griseb.
  865. Species Senecio lucidus (Sw.) DC.
  866. Species Senecio ludens C.B.Clarke
  867. Species Senecio luembensis De Wild. & Muschl.
  868. Species Senecio lugens Richardson
    1. Variety Senecio lugens var. exaltatus (Nutt.) A.Gray accepted as Senecio integerrimus var. exaltatus (Nutt.) Cronquist
    2. Variety Senecio lugens var. exaltatus (Nutt.) D.C.Eaton accepted as Senecio integerrimus var. exaltatus (Nutt.) Cronquist
    3. Variety Senecio lugens var. hookeri D.C.Eaton accepted as Senecio sphaerocephalus Greene
    4. Variety Senecio lugens var. lugens accepted as Senecio lugens Richardson
    5. Variety Senecio lugens var. megacephalus Jeps. accepted as Senecio integerrimus var. major (A.Gray) Cronquist
    6. Variety Senecio lugens var. ochroleucus A.Gray accepted as Senecio integerrimus var. ochroleucus (A.Gray) Cronquist
    7. Variety Senecio lugens var. blaisdellii Eastw. (uncertain > unassessed)
    8. Variety Senecio lugens var. foliosus A.Gray (uncertain > unassessed)
    9. Variety Senecio lugens var. megalocephalus A.Nelson (uncertain > unassessed)
    10. Variety Senecio lugens var. mendocinensis (A.Gray) Jeps. (uncertain > unassessed)
    11. Variety Senecio lugens var. ochroleucus Gray (uncertain > unassessed)
    12. Variety Senecio lugens var. parryi D.C.Eaton (uncertain > unassessed)
  869. Species Senecio luzoniensis Merr.
  870. Species Senecio lycopodioides Schltr.
  871. Species Senecio lydenburgensis Hutch. & Burtt Davy
  872. Species Senecio lyonii A.Gray
  873. Species Senecio lyratus L.f.
  874. Species Senecio lyratus Forssk.
  875. Species Senecio mabberleyi C.Jeffrey
  876. Species Senecio macedonicus Griseb.
    1. Subspecies Senecio macedonicus subsp. barckhausiifolius (Boiss. & Heldr.) J.Calvo (uncertain > unassessed)
  877. Species Senecio macowanii Hilliard
  878. Species Senecio macranthus A.Rich.
  879. Species Senecio macrocephalus DC.
  880. Species Senecio macroglossoides Hilliard
  881. Species Senecio macroglossus DC.
  882. Species Senecio macrophyllus Humb., Bonpl. & Kunth
  883. Species Senecio macrophyllus M.Bieb.
  884. Species Senecio macrotis Baker
  885. Species Senecio maculatus Cabrera
  886. Species Senecio madagascariensis Poir.
    1. Variety Senecio madagascariensis var. boutonii (Baker) Humbert
    2. Variety Senecio madagascariensis var. madagascariensis
    3. Variety Senecio madagascariensis var. crassifolius Humbert accepted as Senecio skirrhodon DC.
  887. Species Senecio madariagae Phil.
  888. Species Senecio madrasensis C.Jeffrey
    1. Variety Senecio madrasensis var. madrasensis
    2. Variety Senecio madrasensis var. rupestris (Wight) Gambel
  889. Species Senecio maeviae Cabrera
  890. Species Senecio magellanicus Hook. & Arn.
  891. Species Senecio magnificus F.Muell.
  892. Species Senecio mairetianus DC.
  893. Species Senecio makinoi C.Winkl.
  894. Species Senecio malacophyllus Dusén
  895. Species Senecio malaissei Lisowski
  896. Species Senecio manguensis Cabrera & Zardini
  897. Species Senecio mapuche Cabrera
  898. Species Senecio maranguensis O.Hoffm.
  899. Species Senecio margaritae C.Jeffrey
  900. Species Senecio marginalis Hilliard
  901. Species Senecio mariettae Muschl.
  902. Species Senecio maritimus L.f.
  903. Species Senecio marojejyensis Humbert
    1. Variety Senecio marojejyensis var. latilimbus (Humbert) Humbert
    2. Variety Senecio marojejyensis var. marojejyensis
  904. Species Senecio marotiri C.J.Webb
  905. Species Senecio martinensis Dusén
  906. Species Senecio martirensis T.M.Barkley
  907. Species Senecio marus
    1. Subspecies Senecio marus subsp. marus accepted as Senecio marus
    2. Subspecies Senecio marus subsp. breviflorus (uncertain > unassessed)
  908. Species Senecio massaicus (Maire) Maire
  909. Species Senecio matatini Liew, Courtney, de Lange & Pelser
    1. Subspecies Senecio matatini subsp. basinudus (Ornduff) Courtney, de Lange & Pelser
    2. Subspecies Senecio matatini subsp. discoideus (Cheeseman) Courtney, de Lange & Pelser
    3. Subspecies Senecio matatini subsp. matatini
    4. Subspecies Senecio matatini subsp. toa (C.J.Webb) Courtney, de Lange & Pelser
  910. Species Senecio matricariifolius DC.
  911. Species Senecio mattfeldianus Cabrera
  912. Species Senecio mattirolii Chiov.
  913. Species Senecio maulinus Reiche
  914. Species Senecio mauricei Hilliard & B.L.Burtt
  915. Species Senecio maydae Merxm.
  916. Species Senecio mayurii C.E.C.Fisch.
  917. Species Senecio mbuluzensis Compton
  918. Species Senecio medley-woodii Hutch.
  919. Species Senecio megacephalus Nutt.
  920. Species Senecio megaglossus F.Muell.
  921. Species Senecio megalanthus Y.L.Chen
  922. Species Senecio megaoreinus Zardini
  923. Species Senecio megaphylla
  924. Species Senecio melanocalyx Cuatrec.
    1. Forma Senecio melanocalyx f. discoideus Cuatrec. accepted as Senecio melanocalyx Cuatrec.
    2. Forma Senecio melanocalyx f. melanocalyx accepted as Senecio melanocalyx Cuatrec.
  925. Species Senecio melanolepis DC.
    1. Variety Senecio melanolepis var. medius DC. accepted as Senecio melanolepis DC.
    2. Variety Senecio melanolepis var. melanolepis accepted as Senecio melanolepis DC.
    3. Variety Senecio melanolepis var. discoideus DC. (uncertain > unassessed)
  926. Species Senecio melanopotamicus Cabrera
  927. Species Senecio merendonensis Ant.Molina
  928. Species Senecio mesembrynus Cabrera
  929. Species Senecio mesogrammoides O.Hoffm.
  930. Species Senecio mexicanus McVaugh
  931. Species Senecio meyeri-johannis Engl.
    1. Subspecies Senecio meyeri-johannis subsp. meyeri-johannis
    2. Subspecies Senecio meyeri-johannis subsp. olomotiensis C.Jeffrey accepted as Senecio meyeri-johannis Engl.
  932. Species Senecio michoacanus (B.L.Rob.) B.L.Turner & T.M.Barkley
  933. Species Senecio microalatus C.Jeffrey
  934. Species Senecio microcephalus Phil.
    1. Variety Senecio microcephalus var. angustifolius Cabrera
    2. Variety Senecio microcephalus var. microcephalus
    3. Variety Senecio microcephalus var. aclonetus (Phil.) Kuntze accepted as Senecio linariifolius Poepp. ex DC.
    4. Variety Senecio microcephalus var. hookeri Macloskie (uncertain > unassessed)
  935. Species Senecio microphyllus Phil.
  936. Species Senecio micropifolius DC.
    1. Variety Senecio micropifolius var. micropifolius accepted as Senecio micropifolius DC.
    2. Variety Senecio micropifolius var. monocephalus DC. accepted as Senecio poeppigii Hook. & Arn.
    3. Variety Senecio micropifolius var. moncephalus Wedd. (uncertain > unassessed)
    4. Variety Senecio micropifolius var. moncephalus DC. (uncertain > unassessed)
  937. Species Senecio microspermus DC.
  938. Species Senecio microtis Phil.
  939. Species Senecio mikanioides Otto
  940. Species Senecio milanjianus S.Moore
  941. Species Senecio millelobatus Rydb.
  942. Species Senecio mimetes Hutch. & R.A.Dyer
  943. Species Senecio minesinus Cuatrec.
  944. Species Senecio miniauritus Sagást. & M.O.Dillon
  945. Species Senecio minutifolius Phil.
  946. Species Senecio miser Hook.f.
    1. Forma Senecio miser f. miser accepted as Senecio miser Hook.f.
    2. Variety Senecio miser var. miser accepted as Senecio miser Hook.f.
    3. Variety Senecio miser var. tehuelches Speg. accepted as Senecio tehuelches (Speg.) Cabrera
    4. Forma Senecio miser f. major Albov (uncertain > unassessed)
  947. Species Senecio mishmi C.B.Clarke
  948. Species Senecio mitonis Cuatrec.
  949. Species Senecio mitophyllus C.Jeffrey
  950. Species Senecio mlilwanensis Compton
  951. Species Senecio mochensis Hieron.
  952. Species Senecio modestus Wedd.
    1. Variety Senecio modestus var. candollii (Wedd.) H.Beltrán & Galán de Mera accepted as Senecio candollii Wedd.
    2. Variety Senecio modestus var. modestus accepted as Senecio modestus Wedd.
    3. Variety Senecio modestus var. candollei (Wedd.) H.Beltrán & A.Galán (uncertain > unassessed)
  953. Species Senecio mohavensis A.Gray
    1. Subspecies Senecio mohavensis subsp. breviflorus (Kadereit) M.Coleman accepted as Senecio breviflorus (Kadereit) Greuter
    2. Subspecies Senecio mohavensis subsp. mohavensis accepted as Senecio mohavensis A.Gray
  954. Species Senecio mohinorensis Greenm.
  955. Species Senecio mojandensis Hieron.
  956. Species Senecio molinae Phil.
  957. Species Senecio monanthus Diels
  958. Species Senecio montereyanus S.Watson
  959. Species Senecio montevidensis (Spreng.) Baker
  960. Species Senecio monticola DC.
  961. Species Senecio monttianus J.Rémy
  962. Species Senecio mooreanus Hutch. & Burtt Davy
  963. Species Senecio moorei R.E.Fr.
  964. Species Senecio mooreioides C.Jeffrey
  965. Species Senecio moranii T.M.Barkley
  966. Species Senecio morotonensis C.Jeffrey
  967. Species Senecio morrisonensis Hayata
    1. Variety Senecio morrisonensis var. dentatus Kitam.
    2. Variety Senecio morrisonensis var. morrisonensis
  968. Species Senecio mortonii C.B.Clarke
  969. Species Senecio mucronatus (Thunb.) Willd.
  970. Species Senecio muirii L.Bolus
  971. Species Senecio mulgediifolius S.Schauer
  972. Species Senecio muliensis C.Jeffrey & Y.L.Chen
  973. Species Senecio multibracteatus Harv.
  974. Species Senecio multibracteolatus C.Jeffrey & Y.L.Chen
  975. Species Senecio multicaulis DC.
  976. Species Senecio multicaulis A.Rich.
    1. Subspecies Senecio multicaulis subsp. multicaulis A.Rich.
    2. Subspecies Senecio multicaulis subsp. stirlingensis I.Thomps.
  977. Species Senecio multiceps N.P.Balakr.
  978. Species Senecio multidentatus Sch.Bip. ex Hemsl.
    1. Variety Senecio multidentatus var. huachucanus (A.Gray) T.M.Barkley
    2. Variety Senecio multidentatus var. multidentatus Sch.Bip. ex Hemsl.
    3. Variety Senecio multidentatus var. minor Hemsl. (uncertain > unassessed)
  979. Species Senecio multiflorus Sch.Bip.
  980. Species Senecio multifolius
  981. Species Senecio multilobus C.C.Chang
  982. Species Senecio multinervis Sch.Bip. ex Klatt
  983. Species Senecio multivenius Benth.
    1. Variety Senecio multivenius var. multivenius accepted as Senecio multivenius Benth.
    2. Variety Senecio multivenius var. oliganthus (uncertain > unassessed)
  984. Species Senecio munnozii Cabrera
  985. Species Senecio muricatus Thunb.
  986. Species Senecio murinus Phil.
  987. Species Senecio murorum J.Rémy
  988. Species Senecio mustersi Speg.
    1. Variety Senecio mustersi var. dentatus Cabrera
    2. Variety Senecio mustersi var. mustersi
    3. Variety Senecio mustersi var. mustersii
  989. Species Senecio myricaefolius (Bojer ex DC.)
    1. Variety Senecio myricaefolius var. alleizettei Humbert accepted as Senecio alleizettei (Humbert) Humbert
    2. Variety Senecio myricaefolius var. myricaefolius accepted as Senecio myricaefolius (Bojer ex DC.)
    3. Variety Senecio myricaefolius var. discoideus Humbert (uncertain > unassessed)
  990. Species Senecio myriocephalus Sch.Bip. ex A.Rich.
  991. Species Senecio myriophyllus Phil.
  992. Species Senecio nagensium C.B.Clarke
    1. Variety Senecio nagensium var. lobbi (Hook.f.) Craib accepted as Synotis cappa (Buch.-Ham. ex D.Don) C.Jeffrey & Y.L.Chen
    2. Variety Senecio nagensium var. nagensium accepted as Senecio nagensium C.B.Clarke
  993. Species Senecio nanus Sch.Bip. ex A.Rich.
  994. Species Senecio napellifolius Schauer
  995. Species Senecio napifolius MacOwan
  996. Species Senecio narinyonis Cuatrec.
  997. Species Senecio natalicola Hilliard
  998. Species Senecio navugabensis C.Jeffrey
  999. Species Senecio neaei DC.
    1. Variety Senecio neaei var. incisus DC.
    2. Variety Senecio neaei var. neaei
  1000. Species Senecio neelgherryanus DC.
  1001. Species Senecio nemiae
  1002. Species Senecio nemoralis Dusén
  1003. Species Senecio nemorensis L.
    1. Subspecies Senecio nemorensis subsp. apuanus (Tausch) Greuter
    2. Subspecies Senecio nemorensis subsp. bulgaricus (Velen.) Greuter
    3. Subspecies Senecio nemorensis subsp. glabratus (Herborg) Oberpr.
    4. Subspecies Senecio nemorensis subsp. jacquinianus Čelak.
    5. Subspecies Senecio nemorensis subsp. nemorensis L.
    6. Subspecies Senecio nemorensis subsp. bulgaricus (Velen.) Kožuharov & N.Andreev accepted as Senecio nemorensis subsp. bulgaricus (Velen.) Greuter
    7. Subspecies Senecio nemorensis subsp. fuchsii (C. Gmelin) Celak accepted as Senecio ovatus (G.Gaertn., B.Mey. & Scherb.) Willd.
    8. Variety Senecio nemorensis var. dentatus (Kitam.) accepted as Senecio morrisonensis var. dentatus Kitam.
    9. Variety Senecio nemorensis var. nemorensis accepted as Senecio nemorensis L.
    10. Variety Senecio nemorensis var. octoglossus (DC.) Koch ex Ledeb. accepted as Senecio nemorensis L.
    11. Variety Senecio nemorensis var. subinteger Hara accepted as Senecio nemorensis L.
    12. Variety Senecio nemorensis var. taiwanensis (Hayata) Yamam. accepted as Senecio nemorensis L.
    13. Variety Senecio nemorensis var. turczaninowii (DC.) Kom. accepted as Tephroseris turczaninovii (DC.) Holub
    14. Subspecies Senecio nemorensis subsp. boikoanus Vorosch. & Schlothg. (uncertain > unassessed)
    15. Subspecies Senecio nemorensis subsp. stabianus (Lacaita) Pignatti (uncertain > unassessed)
    16. Variety Senecio nemorensis var. dalmaticus Griseb. (uncertain > unassessed)
    17. Variety Senecio nemorensis var. typicus Kom. (uncertain > unassessed)
  1004. Species Senecio neobakeri Humbert
  1005. Species Senecio neowebsteri S.F.Blake
  1006. Species Senecio nesomiorum B.L.Turner
  1007. Species Senecio nevadensis Boiss. & Reut.
    1. Subspecies Senecio nevadensis subsp. malacitanus (Huter) Greuter
    2. Subspecies Senecio nevadensis subsp. nevadensis Boiss. & Reut.
  1008. Species Senecio ngoyanus Hilliard
  1009. Species Senecio niederleinii Cabrera
  1010. Species Senecio nigrapicus I.Thomps.
  1011. Species Senecio nigrescens Hook. & Arn.
  1012. Species Senecio nigrocinctus Franch.
  1013. Species Senecio nikoensis Miq.
    1. Forma Senecio nikoensis f. nikoensis accepted as Senecio nikoensis Miq.
    2. Variety Senecio nikoensis var. formosanus Sasaki accepted as Nemosenecio formosanus (Kitam.) B.Nord.
    3. Variety Senecio nikoensis var. nikoensis accepted as Senecio nikoensis Miq.
    4. Forma Senecio nikoensis f. albiflorus Sugim. (uncertain > unassessed)
  1014. Species Senecio nivalis (Kunth) Cuatrec.
  1015. Species Senecio niveo-aureus Cuatrec.
  1016. Species Senecio niveoplanus I.Thomps.
  1017. Species Senecio niveus (Thunb.) Willd.
  1018. Species Senecio nodiflorus C.C.Chang
  1019. Species Senecio nordenskjöldii O.Hoffm.
    1. Variety Senecio nordenskjöldii var. nordenskjöldii accepted as Senecio nordenskjöldii O.Hoffm.
    2. Variety Senecio nordenskjöldii var. simplicior O.Hoffm. accepted as Senecio tricuspidatus Hook. & Arn.
  1020. Species Senecio nubivagus L.O.Williams
  1021. Species Senecio nublensis Soldano
  1022. Species Senecio nudicaulis Buch.-Ham. ex D.Don
  1023. Species Senecio nuraniae Roldugin
  1024. Species Senecio nutans Sch.Bip.
  1025. Species Senecio oaxacanus Hemsl.
  1026. Species Senecio obesus Klatt
  1027. Species Senecio obovatus Muhl. ex Willd.
    1. Forma Senecio obovatus f. obovatus accepted as Senecio obovatus Muhl. ex Willd.
    2. Variety Senecio obovatus var. obovatus accepted as Senecio obovatus Muhl. ex Willd.
    3. Forma Senecio obovatus f. elongatus (Pursh) Fernald (uncertain > unassessed)
    4. Variety Senecio obovatus var. divisifolius Greenm. (uncertain > unassessed)
    5. Variety Senecio obovatus var. elliottii (Torr. & A.Gray) Fernald (uncertain > unassessed)
    6. Variety Senecio obovatus var. elongatus (Pursh) Britton (uncertain > unassessed)
    7. Variety Senecio obovatus var. minor Farw. (uncertain > unassessed)
    8. Variety Senecio obovatus var. rotundus Britton (uncertain > unassessed)
    9. Variety Senecio obovatus var. umbratilis Greenm. (uncertain > unassessed)
  1028. Species Senecio obtectus Kuntze
  1029. Species Senecio obtusatus Wall. ex DC.
  1030. Species Senecio ochrocarpus Oliv. & Hiern
  1031. Species Senecio ochroleucus Phil.
    1. Variety Senecio ochroleucus var. beta Hook. & Arn. accepted as Senecio bonariensis Hook. & Arn.
    2. Variety Senecio ochroleucus var. ochroleucus accepted as Senecio ochroleucus Phil.
  1032. Species Senecio octolepis Griseb.
    1. Variety Senecio octolepis var. octolepis
    2. Variety Senecio octolepis var. saltensis (Hicken) Cabrera
    3. Variety Senecio octolepis var. saltensis (Hicken) Cabrera & Zardini (uncertain > unassessed)
  1033. Species Senecio octophyllus Sch.Bip. ex Rusby
  1034. Species Senecio odonellii Cabrera
  1035. Species Senecio odontopterus DC.
  1036. Species Senecio odoratus Hornem.
    1. Variety Senecio odoratus var. odoratus Hornem. accepted as Senecio odoratus Hornem.
    2. Variety Senecio odoratus var. laciniatus F.Muell. (uncertain > unassessed)
    3. Variety Senecio odoratus var. longifolius M.E.Lawr. (uncertain > unassessed)
    4. Variety Senecio odoratus var. obtusifolius J. Black (uncertain > unassessed)
    5. Variety Senecio odoratus var. obtusifolius J.M.Black (uncertain > unassessed)
    6. Variety Senecio odoratus var. petiolata Sond. (uncertain > unassessed)
  1037. Species Senecio oederiifolius DC.
  1038. Species Senecio oerstedianus Benth.
  1039. Species Senecio oldfieldii I.Thomps.
  1040. Species Senecio oldhamianus Maxim.
  1041. Species Senecio oleosus Vell.
  1042. Species Senecio olgae Regel & Schmalh.
  1043. Species Senecio oligoleucus Baker
  1044. Species Senecio oligophyllus Baker
  1045. Species Senecio olivaceobracteatus Ricardi & Martic.
  1046. Species Senecio oophyllus C.Jeffrey
  1047. Species Senecio oppositicordius Cuatrec.
  1048. Species Senecio orcuttii Greenm.
  1049. Species Senecio oreinus Cabrera
  1050. Species Senecio oreophilus Dusén
  1051. Species Senecio oreophyton J.Rémy
  1052. Species Senecio organensis Casar.
    1. Forma Senecio organensis f. organensis accepted as Senecio organensis Casar.
    2. Forma Senecio organensis f. albiflorus Cabrera (uncertain > unassessed)
  1053. Species Senecio orizabensis Sch.Bip. ex Hemsl.
  1054. Species Senecio ornatus S.Moore
  1055. Species Senecio oryzetorum Diels
  1056. Species Senecio ostenii Mattf.
    1. Variety Senecio ostenii var. balaenicus Cabrera
    2. Variety Senecio ostenii var. ostenii
  1057. Species Senecio otaeguianus Phil.
  1058. Species Senecio othannae
  1059. Species Senecio othonniflorus DC.
  1060. Species Senecio otites Kunze ex DC.
    1. Variety Senecio otites var. otites accepted as Senecio otites Kunze ex DC.
    2. Variety Senecio otites var. auriculus Phil. (uncertain > unassessed)
  1061. Species Senecio otophorus Wedd.
    1. Variety Senecio otophorus var. christophori Cuatrec. accepted as Senecio otophorus Wedd.
    2. Variety Senecio otophorus var. microcephalus Hieron. accepted as Senecio otophorus Wedd.
    3. Variety Senecio otophorus var. otophorus accepted as Senecio otophorus Wedd.
    4. Variety Senecio otophorus var. panduratus Cuatrec. accepted as Senecio otophorus Wedd.
  1062. Species Senecio otopterus Griseb.
  1063. Species Senecio ovatus (G.Gaertn., B.Mey. & Scherb.) Willd.
    1. Subspecies Senecio ovatus subsp. ovatus (G.Gaertn. & al.) Willd.
  1064. Species Senecio ovoideus (Compton) H.Jacobsen
  1065. Species Senecio oxyodontus DC.
  1066. Species Senecio oxyphyllus DC.
    1. Variety Senecio oxyphyllus var. oxyphyllus accepted as Senecio oxyphyllus DC.
    2. Variety Senecio oxyphyllus var. amblyotis DC. (uncertain > unassessed)
  1067. Species Senecio oxyriifolius DC.
    1. Subspecies Senecio oxyriifolius subsp. milanjianus (Moore) G.D.Rowley accepted as Senecio milanjianus S.Moore
    2. Subspecies Senecio oxyriifolius subsp. oxyriifolius accepted as Senecio oxyriifolius DC.
    3. Subspecies Senecio oxyriifolius subsp. tropaeolifolius (MacOwan ex F.Muell.) G.D.Rowley (uncertain > unassessed)
  1068. Species Senecio ozolotepecanus B.L.Turner
  1069. Species Senecio paarlensis DC.
  1070. Species Senecio pachyphyllos J.Rémy
  1071. Species Senecio pachyrhizus O.Hoffm.
  1072. Species Senecio paludaffinis Hilliard
  1073. Species Senecio pampae Lingelsh.
    1. Variety Senecio pampae var. pampae accepted as Senecio pampae Lingelsh.
    2. Variety Senecio pampae var. penicillatus Lingelsh. accepted as Senecio clivicola Wedd.
  1074. Species Senecio pampeanus Cabrera
    1. Forma Senecio pampeanus f. pampeanus
    2. Forma Senecio pampeanus f. serratus Cabrera accepted as Senecio pampeanus Cabrera
  1075. Species Senecio panduratus (Thunb.) Less.
  1076. Species Senecio panduriformis Hilliard
  1077. Species Senecio paniculatus P.J.Bergius
    1. Variety Senecio paniculatus var. paniculatus accepted as Senecio paniculatus P.J.Bergius
    2. Variety Senecio paniculatus var. reclinatus (L.f.) Harv. accepted as Senecio chrysocoma Meerb.
  1078. Species Senecio papillaris Sch.Bip.
  1079. Species Senecio pappii ric. ex Ricardi & Martic.
  1080. Species Senecio papuanus (Lauterb.) Belcher
  1081. Species Senecio paraguariensis Mattf.
  1082. Species Senecio paramensis Cuatrec.
  1083. Species Senecio paranensis Malme
  1084. Species Senecio parascitus Hilliard
  1085. Species Senecio parasiticus Hemsl.
  1086. Species Senecio parentalis Hilliard & B.L.Burtt
  1087. Species Senecio parodii Cabrera
  1088. Species Senecio parryi A.Gray
  1089. Species Senecio parvifolius DC.
  1090. Species Senecio pascoensis Cabrera
  1091. Species Senecio pascuiandinus Cuatrec.
  1092. Species Senecio patagonicus Hook. & Arn.
    1. Variety Senecio patagonicus var. alyssoides (Sch.Bip.) Cabrera
    2. Variety Senecio patagonicus var. andersonii (Hook.f.) Cabrera
    3. Variety Senecio patagonicus var. lobatifolius Cabrera
    4. Variety Senecio patagonicus var. patagonicus
  1093. Species Senecio patens (Kunth) DC.
    1. Variety Senecio patens var. patens accepted as Senecio patens (Kunth) DC.
    2. Variety Senecio patens var. prenanthoideus Hieron. accepted as Senecio patens (Kunth) DC.
  1094. Species Senecio pattersonensis Hoover
  1095. Species Senecio pattersonii B.L.Turner
  1096. Species Senecio paucicalyculatus Klatt
  1097. Species Senecio paucidentatus DC.
    1. Variety Senecio paucidentatus var. limbardioides (Hook. & Arn.) Cabrera
    2. Variety Senecio paucidentatus var. paucidentatus
  1098. Species Senecio pauciflorus Pursh
    1. Forma Senecio pauciflorus f. pauciflorus accepted as Senecio pauciflorus Pursh
    2. Subspecies Senecio pauciflorus subsp. fallax Greenm. accepted as Packera indecora (Greene) Á.Löve & D.Löve
    3. Subspecies Senecio pauciflorus subsp. pauciflorus accepted as Senecio pauciflorus Pursh
    4. Variety Senecio pauciflorus var. jucundulus Jeps. accepted as Packera pseudaurea var. pseudaurea (Rydb.) W.A.Weber & Á.Löve
    5. Variety Senecio pauciflorus var. pauciflorus accepted as Senecio pauciflorus Pursh
    6. Variety Senecio pauciflorus var. subnudus (DC.) Jeps. accepted as Packera subnuda (DC.) Trock & T.M.Barkley
    7. Forma Senecio pauciflorus f. fallax (Greenm. ex Jeps.) Fernald (uncertain > unassessed)
    8. Forma Senecio pauciflorus f. ornatus B.Boivin (uncertain > unassessed)
    9. Variety Senecio pauciflorus var. atropurpureus B.Boivin (uncertain > unassessed)
    10. Variety Senecio pauciflorus var. croceus (A.Gray) Jeps. (uncertain > unassessed)
    11. Variety Senecio pauciflorus var. fallax Greenm. ex Jeps. (uncertain > unassessed)
    12. Variety Senecio pauciflorus var. fallax (Greenm.) Greenm. (uncertain > unassessed)
  1099. Species Senecio pauciflorus Thunb. ex Harv. & Sond.
    1. Variety Senecio pauciflorus var. pauciflorus accepted as Senecio pauciflorus Thunb. ex Harv. & Sond.
    2. Variety Senecio pauciflorus var. genuinus B.Boivin (uncertain > unassessed)
  1100. Species Senecio pauciflosculosus C.Jeffrey
  1101. Species Senecio paucifolius S.G.Gmel.
  1102. Species Senecio paucijugus Baker
  1103. Species Senecio pauciradiatus Belcher
  1104. Species Senecio paulensis Bong.
  1105. Species Senecio paulsenii O.Hoffm. ex O. Hoffm. ex Pauls.
    1. Subspecies Senecio paulsenii subsp. khorasanicus (Rech.f. & Aellen) B.Nord.
    2. Subspecies Senecio paulsenii subsp. paulsenii
  1106. Species Senecio paulsenii O.Hoffm.
  1107. Species Senecio pavonii (Wedd.) Cuatrec.
  1108. Species Senecio pearsonii Hutch.
  1109. Species Senecio pellucidus DC.
  1110. Species Senecio pelquensis Dusén
  1111. Species Senecio peltophorus Brenan
  1112. Species Senecio pemehuensis Soldano
  1113. Species Senecio penicillatus (Cass.) Sch.Bip.
    1. Variety Senecio penicillatus var. penicillatus accepted as Senecio penicillatus (Cass.) Sch.Bip.
    2. Variety Senecio penicillatus var. glabrescens Humbert (uncertain > unassessed)
  1114. Species Senecio penninervius DC.
  1115. Species Senecio pensilis Greenm.
  1116. Species Senecio pentactinus Klatt
  1117. Species Senecio pentaphyllus Phil.
    1. Variety Senecio pentaphyllus var. navarri (Phil.) Reiche accepted as Senecio pentaphyllus Phil.
    2. Variety Senecio pentaphyllus var. pentaphyllus accepted as Senecio pentaphyllus Phil.
  1118. Species Senecio pentapterus Cabrera
  1119. Species Senecio pentecostus Hiern
  1120. Species Senecio pentlandicus DC.
  1121. Species Senecio perezii Cabrera
    1. Forma Senecio perezii f. integerrima Cabrera
    2. Forma Senecio perezii f. perezii
  1122. Species Senecio pergamentaceus Baker
  1123. Species Senecio peripotamus C.Jeffrey
  1124. Species Senecio perralderianus Coss.
    1. Subspecies Senecio perralderianus subsp. hosmariensis (Pau & Font Quer) Blanca
    2. Subspecies Senecio perralderianus subsp. perralderianus
    3. Variety Senecio perralderianus var. hosmariensis Pau & Font Quer accepted as Senecio perralderianus Coss.
    4. Variety Senecio perralderianus var. perralderianus accepted as Senecio perralderianus Coss.
  1125. Species Senecio perrieri Humbert
    1. Subspecies Senecio perrieri subsp. perrieri accepted as Senecio perrieri Humbert
    2. Subspecies Senecio perrieri subsp. ankaratrensis Humbert (uncertain > unassessed)
    3. Subspecies Senecio perrieri subsp. antandrona Humbert (uncertain > unassessed)
    4. Subspecies Senecio perrieri subsp. comorensis Humbert (uncertain > unassessed)
  1126. Species Senecio perrottetii DC.
  1127. Species Senecio persicifolius L.
  1128. Species Senecio peteroanus Phil.
  1129. Species Senecio petiolaris DC.
  1130. Species Senecio petraeus Boiss. & Reut.
  1131. Species Senecio pfisteri Ricardi & Martic.
  1132. Species Senecio pflanzii (Perkins) Cuatrec.
  1133. Species Senecio phanerandrus Cufod.
  1134. Species Senecio philippicus Regel & Körn.
  1135. Species Senecio philippii Sch.Bip. ex Wedd.
  1136. Species Senecio phorodendroides L.O.Williams
  1137. Species Senecio phylicifolius Poepp. ex DC.
  1138. Species Senecio phylloleptus Cuatrec.
    1. Variety Senecio phylloleptus var. pectinatus Cabrera
    2. Variety Senecio phylloleptus var. phylloleptus
  1139. Species Senecio picridioides (Turcz.) M.E.Lawr.
  1140. Species Senecio picridis S.Schauer
  1141. Species Senecio piedrahitae J.Calvo & F.Ávila
  1142. Species Senecio pierotii Miq.
    1. Subspecies Senecio pierotii subsp. pierotii accepted as Senecio pierotii Miq.
    2. Subspecies Senecio pierotii subsp. taitoensis (Hayata) Kitam. accepted as Tephroseris taitoensis (Hayata) Holub
  1143. Species Senecio pillansii Levyns
  1144. Species Senecio pilosicristus I.Thomps.
  1145. Species Senecio pilotus Phil.
    1. Variety Senecio pilotus var. pilotus accepted as Senecio pilotus Phil.
    2. Variety Senecio pilotus var. angolensis Kuntze (uncertain > unassessed)
  1146. Species Senecio pilquensis H.Buek
  1147. Species Senecio pinacatensis Felger
  1148. Species Senecio pinachensis Cabrera
  1149. Species Senecio pindilicensis Hieron.
  1150. Species Senecio pinetorum Hemsl.
  1151. Species Senecio pinguifolius (DC.) Sch.Bip.
  1152. Species Senecio pinifolius Dusén
  1153. Species Senecio pinifolius (L.) Lam.
  1154. Species Senecio pinnatifidus (P.J.Bergius) Less.
  1155. Species Senecio pinnatifolius A.Rich.
    1. Variety Senecio pinnatifolius var. leucocarpus I.Thomps.
    2. Variety Senecio pinnatifolius var. serratus I.Thomps.
    3. Variety Senecio pinnatifolius var. alpinus (Ali) I.Thomps. (uncertain > unassessed)
    4. Variety Senecio pinnatifolius var. capillifolius (Hook.f.) I.Thomps. (uncertain > unassessed)
    5. Variety Senecio pinnatifolius var. lanceolatus (Benth.) I.Thomps. (uncertain > unassessed)
    6. Variety Senecio pinnatifolius var. latilobus (Steetz) I.Thomps. (uncertain > unassessed)
    7. Variety Senecio pinnatifolius var. maritimus (Ali) I.Thomps. (uncertain > unassessed)
    8. Variety Senecio pinnatifolius var. pinnatifolius A.Rich. (uncertain > unassessed)
    9. Variety Senecio pinnatifolius var. pleiocephalus (Rodway) Belcher (uncertain > unassessed)
  1156. Species Senecio pinnatilobatus Sch.Bip.
  1157. Species Senecio pinnatipartitus Sch.Bip. ex Oliv.
  1158. Species Senecio pinnatisecta
  1159. Species Senecio pinnatus Poir.
    1. Variety Senecio pinnatus var. pinnatus
    2. Variety Senecio pinnatus var. simplicifolius Cabrera
    3. Variety Senecio pinnatus var. achalensis Griseb. accepted as Senecio viravira Hieron.
    4. Variety Senecio pinnatus var. divaricoides Cuatrec. accepted as Senecio theresiae O.Hoffm.
    5. Variety Senecio pinnatus var. glandulosus Ball accepted as Senecio ventanensis Cabrera
    6. Variety Senecio pinnatus var. leptolobus (DC.) Baker accepted as Senecio leptolobus DC.
    7. Variety Senecio pinnatus var. pectinatus Baker accepted as Senecio gilliesianus Hieron.
    8. Variety Senecio pinnatus var. citrinus Kuntze (uncertain > unassessed)
    9. Variety Senecio pinnatus var. glandulosus Macloskie (uncertain > unassessed)
    10. Variety Senecio pinnatus var. rubescens Kuntze (uncertain > unassessed)
    11. Variety Senecio pinnatus var. sulfureus Kuntze (uncertain > unassessed)
    12. Variety Senecio pinnatus var. tenuisecta Griseb. (uncertain > unassessed)
  1160. Species Senecio pinnulatus Thunb.
  1161. Species Senecio piptocoma O.Hoffm.
  1162. Species Senecio pissisii Phil.
  1163. Species Senecio planiflorus Kunze ex Cabrera
  1164. Species Senecio plantagineoides C.Jeffrey
  1165. Species Senecio plantagineus DC.
  1166. Species Senecio platanifolius Benth.
  1167. Species Senecio platensis Arechav.
marine, brackish, fresh, terrestrial
Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 866 [details] 
LSID urn:lsid:compositae.org:names:8E5155BD-8DA5-4B76-863B-F53BEF3839F9  
LSID urn:lsid:compositae.org:names:8E5155BD-8DA5-4B76-863B-F53BEF3839F9 [details]

Taxonomy 1 May 1753  
Taxonomy 1 May 1753 [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Senecio L.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=382425 on 2024-11-22
Date
action
by
2009-02-09 09:45:41Z
created
Decock, Wim
2018-03-14 11:06:07Z
changed
Flann, Christina
2020-10-26 15:56:04Z
changed
Calvo Casas, Joel

original description Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 866 [details] 

original description (of Lasiocephalus Willd. ex Schltdl.) (1818). Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 8
page(s): 308 [details] 

original description (of Farobaea Schrank ex Colla) (1829). Hort. Ripul. App. 3
page(s): 36 [details] 

original description (of Carderina (Cass.) Cass.) (1825). Dict. Sci. Nat., ed. 2. [F. Cuvier] 35
page(s): 272 [details] 

original description (of Crociseris (Rchb.) Fourr.) (1868). Ann. Soc. Linn. Lyon sér. 2, 16
page(s): 404 [details] 

original description (of Danaa Colla) (1835). Mem. Reale Accad. Sci. Torino 38 [details] 

original description (of Madaractis DC.) (1838). Prodr. (DC.) 6
page(s): 322 [details] 

original description (of Branicia Andrz. ex Trautv.) (1883). Trudy Imp. S.-Peterburgsk. Bot. Sada 8
page(s): 476 [details] 

original description (of Adenotrichia Lindl.) (1828). Bot. Reg. 14
page(s): t. 1190 [details] 

original description (of Obaejaca (Cass.) Cass.) (1825). Dict. Sci. Nat., ed. 2. [F. Cuvier] 35
page(s): 270 [details] 

original description (of Brachypappus Sch.Bip.) (1855). Flora 38
page(s): 119 [details] 

original description (of Brachyrhynchos Less.) (1832). Syn. Gen. Compos.
page(s): 392 [details] 

original description (of Aspelina Cass.) Cass. in Cuvier, Dict. Sci. Nat. 41. 1826.
page(s): 166 [details] 

original description (of Anecio Neck.) (1790). Elem. Bot. (Necker) 1
page(s): 28 [details] 

original description (of Synarthrum Cass.) (1827). Dict. Sci. Nat., ed. 2. [F. Cuvier] 48
page(s): 448 [details] 

original description (of Eudorus Cass.) (1825). Bull. Sci. Soc. Philom. Paris
page(s): 165 [details] 

original description (of Cladopogon Sch.Bip. ex Sch.Bip.) Ind. Sem. Hort. Hamburg. 19
page(s): 8, 359 [details] 

original description (of Sclerobasis Cass.) (1825). Bull. Sci. Soc. Philom. Paris
page(s): 73 [details] 

original description (of Acleia DC.) (1838). Prodr. (DC.) 6
page(s): 340 [details] 

context source (MSBIAS) Marine Biological Association of the United Kingdom. (2023). 2019 The Marine Biological Association of the UK (MBA) Wembury Bioblitz survey. The Archive for Marine Species and Habitats Data (DASSH). , available online at https://portal.medin.org.uk/portal/start.php#details?tpc=010_71a02145fae5466afe757cd48b999ded [details] 

basis of record The International Plant Names Index (IPNI). , available online at https://www.ipni.org [details] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Unreviewed
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record
Senecio [New Zealand Plant Name Database] [details]

Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record
Senecio [Biological Diversity of the Guiana Shield]
Senecio [Flora of Korea]
Senecio [Flora of Taiwan]
Senecio [Funk et al. 2009]
Senecio [Govaerts World Compositae Checklist A-G]
Senecio [SANBI]
Senecio [Vascular Plants of Russia] [details]

Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record
(see also synonyms under Lasiocephalus and Pentacalia) [Paramo Checklist]
LT designated by Green in Prop. Brit. Bot. 181. 1929. [India]
To be split up (K. Bremer, 1994) [Flora Malesiana] [details]

Contributed data: Published Data only shown for fields conflicting with the consensus taxon record
Genera Plantarum ed. 5 [IPNI]
L., Sp. Pl. 1753. [Euro+Med]
Linnaeus, C. 1753: Species Plantarum. [New Zealand Plant Name Database]
Sp. Pl. [Flora Malesiana]
Sp. Pl. & Gen. Pl. ed.5: 373 (1754) [Kadereit & Jeffrey 2007]
Sp. Pl. 2: 866. 1753 [India]
Species Plantarum [IPNI]
Species Plantarum 2: [Tropicos]
Species plantarum 2:866 (1753) [Western Australia Census] [details]

LSID urn:lsid:compositae.org:names:8E5155BD-8DA5-4B76-863B-F53BEF3839F9 [details]

Taxonomy 1 May 1753 [details]
To European Nucleotide Archive, ENA (Lasiocephalus) (from synonym Lasiocephalus Willd. ex Schltdl.)
To European Nucleotide Archive, ENA (Senecio) 
To ITIS
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