Cascade Grass-of-Parnassus: Parnassia cirrata var. intermedia (Synonyms: Parnassia fimbriata var. hoodiana, Parnassia fimbriata var. intermedia, Parnassia intermedia) -
Fringed Grass-of-Parnassus: Parnassia fimbriata (Synonym: Parnassia fimbriata var. fimbriata) - Leaves basal and broadly heart- or kidney-shaped. Leaf margins entire. Flowers large and showy, with 5 white petals which are fringed at their bases. Staminodia short and thick.
California Grass-of-Parnassus, Grass-of-Parnassus, Northern Grass-of-Parnassus: Parnassia palustris (Synonyms: Parnassia californica, Parnassia multiseta, Parnassia palustris ssp. neogaea, Parnassia palustris var. californica, Parnassia palustris var. montanensis, Parnassia palustris var. neogaea, Parnassia palustris var. palustris, Parnassia palustris var. tenuis) -