onion family (Alliaceae)
tapertip onion (Allium acuminatum) -- in July -- Trinity Scenic Byway, Shasta-Trinity National Forest red & pink
tapertip onion (Allium acuminatum) -- in July -- Yellowstone National Park, WY
two-crested onion (Allium bisceptrum) -- in July -- Elko County, Humboldt-Toiyabe National Forest, NV red & pink
shortstyle onion (Allium brevistylum) -- in July -- Snowy Range, Medicine Bow National Forest, WY red & pink
nodding onion (Allium cernuum) -- in August -- Arthur's Rock Trail, Lory State Park, CO red & pink
nodding onion (Allium cernuum) -- in September -- Lincoln National Forest, New Mexico
nodding onion (Allium cernuum) -- in August -- Round Mountain, Loveland Natural Area, CO
Geyer's onion (Allium geyeri) -- in July -- Red Feather Lakes, Roosevelt National Forest, CO red & pink
Geyer's onion (Allium geyeri) -- in July -- Peak 7 area, Summit County, CO
largeflower onion (Allium macropetalum) -- in April -- Organ Mountains-Desert Peaks, NM white & cream
wild chives (Allium schoenoprasum) -- in July -- Yellowstone National Park, Wyoming white & cream
wild onion (Allium textile) -- in April -- Moab area, southern Utah