Hormidium flaccidum (Kützing) A.Braun, 1876 accepted as Klebsormidium flaccidum (Kützing) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972
Hormidium mucosum Boye Petersen, 1915 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985
Hormidium subtile (Kützing) Heering accepted as Klebsormidium subtile (Kützing) Mikhailyuk, Glaser, Holzinger & Karsten, 2015
Prasiococcus calcarius (J.B.Petersen) Vischer, 1953
Prasiola antarctica Kützing, 1849 accepted as Prasiola crispa (Lightfoot) Kützing, 1843
Prasiola calophylla (Carmichael ex Greville) Kützing, 1845
Prasiola crispa (Lightfoot) Kützing, 1843
Prasiola crispa subsp. antarctica (Kützing) Knebel, 1935 accepted as Prasiola crispa (Lightfoot) Kützing, 1843
Prasiola crispa var. aspera West & G.S.West, 1911 accepted as Prasiola crispa (Lightfoot) Kützing, 1843
Prasiola fluviatilis (Sommerfelt) J.E. Areschoug ex Lagerstedt, 1869
Schizogonium murale Kützing, 1843