original description
(1841). Trans. Amer. Philos. Soc. ser. 2, 7
page(s): 367 [details]
context source (RAS)
Australian Antarctic Data Centre. , available online at https://data.aad.gov.au/aadc/biodiversity/ [details]
basis of record
Les, D. H., R. R. Haynes, and A. Novelo-Retana. 2009. Plants (Embryophyta) of the Gulf of Mexico, Pp. 261–284 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source
Wain, R. P. (1982). Genetic Differentiation in the Florida Subspecies of Helianthus debilis (Asteraceae). <em>American Journal of Botany.</em> 69(10): 1573-1578., available online at https://doi.org/10.2307/2442912 [details] Available for editors 
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Unreviewed