Flat-topped White Aster
|Often found in meadows, moist thickets and along the edges of swamps.
|The leaves up to 40 cm in length have a short petiole or are stalkless, elliptical to lance-shaped, tapering at the apex and are entire.
|1-2 cm florets, held in a flat cluster, each flower with 10-15 petals recurved petals that are white and tinged with purple
|The Devonian Botanic Gardens, Devon, Alberta, Canada.