asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs

aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia

Anaphalis margaritacea, cottonweed, pearly everlasting - American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts