Erythronium genus --- lily family

yellow trout lily (Erythronium americium) -- in April -- Pisgah National Forest, western North Carolina      yellow & orange     

yellow avalanche lily (Erythronium grandiflorum) -- in June -- The M Trail, Bozeman, Gallatin NF, southern Montana       yellow & orange ​ 

yellow avalanche lily (Erythronium grandiflorum) -- in April -- Columbia Gorge, northern Oregon      

yellow avalanche lily (Erythronium grandiflorum) -- in May -- Roosevelt National Forest, Larimer County montane   

yellow avalanche lily (Erythronium grandiflorum ssp. grandiflorum) -- in May -- Rabbit Ears Pass, Montane, CO   yellow & orange

yellow avalanche lily (Erythronium grandiflorum ssp. grandiflorum -- in August -- Snowy Range, Medicine Bow NF, Wyoming

fawn lily (Erythronium purpurascens) -- in July -- Lassen Volcanic National Park, CA                 white & cream