Helenium flexuosum Rafinesque. Southern Sneezeweed. Phen: May-Aug. Hab: Moist pastures, moist forests, riverbanks, wet pine rocklands (in s. FL). Dist: S. ME west to MN, south to c. peninsular FL and TX; disjunct in s. FL.

Origin/Endemic status: Native

Taxonomy Comments: Rayless plants of s. FL likely warrant taxonomic recognition.

Synonymy: = C, Fl7, FNA21, G, GrPl, GW2, Il, K1, K3, K4, Mi, NE, NY, Oh3, Pa, RAB, SE1, Tn, Va, W, WH3, WV, Bierner (1972); > Helenium floridanum Fernald – Fernald (1943); > Helenium godfreyi Fernald – Fernald (1943); > Helenium nudiflorum Nutt. – F, S, Fernald (1943); > Helenium polyphyllum Small – S

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