Parnassia palustris L.  

Family: Celastraceae

Alaska grass of Parnassus, more...marsh grass of Parnassus, northern grass of Parnassus

[Parnassia californica (A. Gray) Greene, moreParnassia montanensis Fernald & Rydb., Parnassia multiseta (Ledeb.) Fernald, Parnassia palustris ssp. neogaea (Fernald) Hultén, Parnassia palustris var. californica A. Gray, Parnassia palustris var. montanensis (Fernald & Rydb. ex Rydb.) C.L. Hitchc., Parnassia palustris var. neogaea Fernald, Parnassia palustris var. palustris L., Parnassia palustris var. tenuis Wahlenb.]