Glacier Lily, Pale Fawn-lily, Yellow Avalanche Lily, Yellow Fawnlily, Yellow Fawn-lily: Erythronium grandiflorum var. grandiflorum (Synonyms: Erythronium grandiflorum ssp. chrysandrum, Erythronium grandiflorum ssp. grandiflorum, Erythronium grandiflorum ssp. nudipetalum, Erythronium grandiflorum var. chrysandrum, Erythronium grandiflorum var. nudipetalum, Erythronium grandiflorum var. pallidum, Erythronium nudipetalum, Erythronium parviflorum) - Yellow tepals.
Yellow Fawn-lily: Erythronium grandiflorum var. chrysandrum (Synonym: Erythronium grandiflorum ssp. chrysandrum) - Yellow tepals. Anthers golden yellow.
Glacier Lily, Pale Fawn-lily, Yellow Avalanche Lily, Yellow Fawnlily, Yellow Fawn-lily: Erythronium grandiflorum var. grandiflorum (Synonyms: Erythronium giganteum, Erythronium grandiflorum ssp. grandiflorum, Erythronium grandiflorum ssp. nudipetalum, Erythronium grandiflorum var. nudipetalum, Erythronium nudipetalum, Erythronium parviflorum) - Yellow tepals. Anthers red or purple.
Pale-anthered Glacier Lily: Erythronium grandiflorum var. pallidum - Yellow tepals. Anthers white or cream.
Idaho Fawn-lily, Idaho Fawn Lily: Erythronium idahoense (Synonyms: Erythronium grandiflorum ssp. candidum, Erythronium grandiflorum var. candidum, Erythronium grandiflorum var. idahoense) - White tepals with a creamy yellow band at the base of each tepal. Anthers white or yellow. Flowers pendant. Plants are very reminiscent of avalanche lilies (E. montanum) which are not found east of the Cascade Mts.