Cream Fawnlily, Howell's Fawnlily, Lemon-colored Fawnlily, Pale Fawnlily: Erythronium citrinum var. citrinum (Synonym: Erythronium howellii) -
Yellow Fawn-lily, Yellow Glacier-lily, Glacier Lily: Erythronium grandiflorum var. chrysandrum (Synonym: Erythronium grandiflorum ssp. chrysandrum) - Flowers yellow. Anthers yellow. Leaves not mottled.
Glacier Lily, Pale Fawn-lily, Yellow Avalanche-lily, Yellow Fawnlily, Yellow Fawn-lily: Erythronium grandiflorum var. grandiflorum (Synonyms: Erythronium giganteum, Erythronium grandiflorum ssp. grandiflorum) - Flowers yellow. Anthers red. Leaves not mottled.
Glacier Lily, Glacier-lily, Pale-anthered Glacier Lily, Pale-anthered Glacier-lily, Yellow Fawn-lily: Erythronium grandiflorum var. pallidum - Flowers yellow. Anthers white. Leaves not mottled.
Henderson's Fawnlily, Henderson's Fawn-lily: Erythronium hendersonii -
Klamath Adder's Tongue, Klamath Fawnlily: Erythronium klamathense -
Alpine Fawnlily, Avalanche Lily, White Avalanche-lily: Erythronium montanum -
Deer's Tongue, Giant Fawnlily, Oregon Fawnlily, Giant White Fawnlily, Giant White Fawn-lily, Wild Easter Lily: Erythronium oregonum (Synonyms: Erythronium giganteum, Erythronium giganteum ssp. leucandrum, Erythronium oregonum ssp. leucandrum, Erythronium oregonum var. leucandrum, Erythronium oregonum ssp. oregonum, Erythronium oregonum var. oregonum) -