packera genus -- Aster subfamily 3.3
Aster 3.1 (Genus A to F) -- Aster 3.2 (Genus G to O) -- Aster 3.3 (Genus P to R) -- Aster 3.4 (Genus S to Z)
wooly groundsel (Packera cana) -- in April -- Rabbit Mountain Open Space, Boulder County, CO
wooly groundsel (Packera cana) -- in July -- Mount Evans, Clear Creek County, CO
wooly groundsel (Packera cana) -- in June -- Sportsman Lake Road, southern Wyoming
wooly groundsel (Packera cana) -- in May -- Pawnee National Grassland, CO
wooly groundsel (Packera cana) -- in June -- Sportsman Lake Road, southern Wyoming
wooly groundsel (Packera cana) -- in June -- Lower Dadd Gulch, Poudre Canyon, Larimer County, CO
splitleaf groundsel (Packera dimorphophylla) -- in July -- Old Fall River Road, Rocky Mountain NP, CO
Fendler's ragwort (Packera fendleri) -- in May -- Pawnee National Grassland, CO
Fendler's ragwort (Packera fendleri) -- in May -- Lory State Park, CO
Fendler's ragwort (Packera fendleri) -- in June -- Rawah Wilderness, Larimer County, CO
Fendler's ragwort (Packera fendleri)-- in June -- Bridal Veil Falls Trail, RMNP, CO
lobeleaf groundsel (Packera multilobata) -- in May -- Yampa Bench Rd, Dinosaur National Monument, CO
New Mexico groundsel (Packera neomexicana) -- in April -- Cibola National Forest near Corona, southern New Mexico
roundleaf ragwort (Packera obovata) -- in April -- Great Smoky Mountains National Park, TN
prairie groundsel (Packera plattensis) -- in May -- Lory State Park, CO
prairie groundsel (Packera plattensis) --in April -- Arthur's Rock Trail, Lory State Park, CO
prairie groundsel (Packera plattensis) -- in May -- South Valley Loop Trail, Lory State Park, CO
falsegold groundsel (Packera pseudaurea var. pseudaurea) -- in July -- Yellowstone National Park, WY
threetooth ragwort (Packera tridenticulata) -- in May -- Pawnee National Grassland, CO
hoary groundsel (Packera werneriifolia) -- in May -- Trail Ridge Road, RMNP, CO
hoary groundsel (Packera werneriifolia) -- in July -- Hoosier Ridge, Summit County, CO
hoary groundsel (Packera werneriifolia) -- in July -- Long Draw Road, Larimer County montane, CO