The Genus Parnassia
California Grass-of-Parnassus: Parnassia californica (Synonym: Parnassia palustris var. californica) -
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.
Marsh Grass-of-Parnassus, Small-flowered Grass-of-Parnassus: Parnassia palustris var. tenuis -