Parnassia glauca Rafinesque. Fen Parnassia, American Grass-of-Parnassus, Fen Grass-of-Parnassus. Phen: Jul-Sep. Hab: Fens. Dist: NL (Newfoundland), QC, and SK south to NJ (Ocean County), s. PA (Rhoads & Block 2007), OH, IN, IA, and SD.
Origin/Endemic status: Native
Syn: = C, F, FNA12, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa