Lily (Liliaceae) Family

calochortus

Bruneau mariposa lily (Calochortus bruneaunis) -- in July -- Humboldt County, NV         white & cream       NV-N

​winding mariposa lily (Calochortus flexuosus) -- in May -- Canyons of the Ancients National Monument, CO  red & pink ​

mariposa lily (Calochortus gunnisonii) -- in June -- South Valley Loop Trail, Lory State Park, CO      white & cream        CO-LSP

Sierra mariposa lily (Calochortus minimus) -- in July -- Lassen Volcanic National Park, CA           white & cream    CA-LNP

sego lily (Calochortus nuttallii) -- in June -- Yampa Bench Road, Dinosaur National Monument, CO    white & cream 

camassia

small camas (Camassia quamash) -- in June -- Lolo Motorway, Nez Perce-Clearwater National Forest, ID      blue & purple      ID-LOLO

clintonia

queen's cup (Clintonia uniflora)  -- in June -- Fishcreek Campground, Glacier National Park, MT         white & cream         MT-N

erythronium

yellow trout lily (Erythronium americium) -- in April -- Pisgah National Forest, NC      yellow & orange    NC-W

yellow avalanche lily (Erythronium grandiflorum) -- in June -- The M Trail, Gallatin National Forest, MT        yellow & orange ​     MT-S

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

yellow avalanche lily (Erythronium grandiflorum) -- in May -- Roosevelt National Forest, CO     CO-M

​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      CA-LNP

fritillaria

yellow bell (Fritillaria pudica) -- in June -- Beartooth Highway, Gallatin National Forest, MT         yellow & orange        MT-S

yellow bell (Fritillaria pudica) -- in April -- Columbia Gorge, northern Oregon        OR-N

lilium

leopard lily (Lilium paradalinum) -- in July -- Lassen Volcanic National Park, CA      yellow & orange ​      CA-LNP

alpine lily (Lilium parvum) -- in July -- Yosemite National Park, CA                      yellow & orange            CA-YNP

wood lily (Lilium philadelphicum) -- in July -- Cub Lake Trail, Rocky Mountain National Park, CO      yellow & orange ​      CO-RMNP

Washington lily (Lilium washingtonianum) -- in July -- Yosemite National Park, CA               white & cream    CA-YNP

lloyodia

alp lily (Lloydia serotina) -- in July -- Trail Ridge Road, Rocky Mountain National Park, CO     white & cream     CO-RMNP

prosartes

roughfruit fairybells (Prosartes trachycarpa) -- in April -- Columbia Gorge, OR          white & cream    OR-N

streptopus

twisted stalk (Streptopus amplexifolius)  -- in June -- Buckhorn Canyon, Roosevelt National Forest, CO              white & cream        CO-F

twisted stalk (Streptopus amplexifolius) -- in August -- Rocky Mountain National Park, CO        CO-RMNP