Balsamorhiza genus --- aster subfamily 3.1
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)
arrowleaf balsamroot (Balsamorhiza sagittata) -- in May -- Sand Creek National Landmark, CO/WY
arrowleaf balsamroot (Balsamorhiza sagittata) -- in June -- Sand Creek, WY