Symphyotrichum genus --- aster subfamily 2
western aster (Symphyotrichum ascendens) -- in August -- Deadman Road, Red Feather Lakes Area, CO
western aster (Symphyotrichum ascendens) -- in August -- Hermit Park Open Space, Larimer County, CO
northern bog aster (Symphyotrichum boreale) -- in July -- High Creek Fen Preserve, Park County, CO white & cream
western meadow aster (Symphyotrichum campestre) -- in August -- Michigan Ditch Trail, Colorado State Forest SP blue & purple CO-A
white heath aster (Symphyotrichum ericoides) -- in September -- Soldier Canyon, Lory State Park, CO white & cream CO-LSP
white heath aster (Symphyotrichum ericoides) -- in September -- Reservoir Ridge, Fort Collins Natural Area, CO
white heath aster (Symphyotrichum ericoides) -- in September -- near irrigation canal, Fort Collins, CO
white prairie aster (Symphyotrichum falcatum) -- in September -- Lory State Park, CO white & cream CO-LSP
white prairie aster (Symphyotrichum falcatum) -- in September -- Cloudcroft, Lincoln National Forest, NM white & cream NM-S
white prairie aster (Symphyotrichum falcatum) -- in August -- Well Gulch Nature Trail, Lory State Park, CO
white prairie aster (Symphyotrichum falcatum) -- in August -- Ramsay-Shockey Open Space, Larimer County, CO
Fendler's aster (Symphyotrichum fendleri) -- in September -- Well Gulch Nature Trail, Lory State Park, CO blue & purple
alpine leafybract aster (Symphyotrichum foliaceum) -- in July -- Snowy Range, Medicine Bow National Forest, WY blue & purple WY-SR
alpine leafybract aster (Symphyotrichum foliaceum) -- in July -- Zimmerman Lake Trail, Larimer County, CO
Canby's aster (Symphyotrichum foliaceum var. canbyi) -- in July -- Buffalo Pass Road, Jackson County, CO red & pink -- daisy-like
Parry's aster (Symphyotrichum foliaceum var. parryi) --- Shoshone National Forest, Fremont Co, WY red & pink
smooth blue aster (Symphyotrichum laeve) -- in August -- Colorado Forest State Park, CO blue & purple CO-A
smooth blue aster (Symphoritrichum laeve var. geyeri) -- in August -- Well Gulch Nature Trail, Lory State Park, CO
white panicle aster (Symphyotrichum lanceolatum) -- in August -- Sportsman Lake Road, southern Wyoming white & cream WY-S
white panicle aster (Symphyotrichum lanceolatum ssp. hesperium) -- in August -- Ramsay-Shockey Open Space, CO
white panicle aster (Symphyotrichum lanceolatum) -- in September -- Parvin Lake, State Wildlife Area, Larimer County, CO
New England aster (Symphyotrichum novae-angliae) -- in August -- Daniel's Pass, Uinta National Forest, UT blue & purple UT-C
New England aster (Symphyotrichum novae-angliae) -- in July -- Buffalo Pass Road, Jackson County, CO
smooth white aster (Symphyotrichum porteri) -- in August -- Arthur's Rock Trail, Lory State Park white & cream CO-F ART-LSP
smooth white aster (Symphyotrichum porteri) -- in September -- Arthur's Rock Trail, Lory State Park, CO