Agoseris genus --- Aster subfamily 1
orange agoseris (Agoseris aurantiaca) -- in August -- Old Fall River Road, Rocky Mountain National Park, CO yellow & orange
orange agoseris (Agoseris aurantiaca) -- in September -- Trail Ridge Road, Rocky Mountain National Park, CO yellow & orange
orange agoseris (Agoseris aurantiaca) -- in July -- Zimmerman Lake Trail, Larimer County, CO yellow & orange
pale agoseris (Agoseris glauca) -- in July -- North Fork Trail, Buckhorn Canyon, Larimer County, CO
pale agoseris (Agoseris glauca var. dasycephala) -- in August -- Snowy Range, Medicine Bow NF, WY yellow & orange
pale agoseris (Agoseris glauca var. dasycephala) -- in July -- High Creek Fen Preserve, Park County, CO yellow & orange
pale agoseris (Agoseris glauca var. dasycephala) -- in May -- Yampa Bench Rd, Dinosaur National Monument, CO yellow & orange
pale agoseris (Agoseris glauca var. glauca) -- in July -- McCullough Gulch, Summit County, CO yellow & orange
pale agoseris (Agoseris glauca) -- in June -- Eagle's Nest Open Space, Larimer County, CO yellow & orange
pale agoseris (Agoseris glauca) -- in August -- Michigan Ditch Trail, Colorado State Forest State Park, CO yellow & orange
annual agoseris (Agoseris heterophylla var. heterophylla) -- in June -- Steens Mountain Wilderness Area, OR yellow & orange
annual agoseris (Agoseris heteorphylla var. heterophylla) -- in June -- Steens Mountain Wilderness Area, OR yellow & orange
false agoseris (Agoseris parviflora) -- in May -- Mill Creek Link Trail, Lory State Park, CO yellow & orange
false agoseris (Agoseris parviflora) -- in May -- Timber Trail, Lory State Park, CO yellow & orange