The Genus Erythronium

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.
Glacier Lily: Erythronium grandiflorum var. candidum - White tepals with a creamy yellow band at the base of each tepal. Plants are very reminiscent of avalanche lilies (E. montanum) which are not found east of the Cascade Mts.