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

blackfoot daisy, Melampodium leucanthum - bushy subshrub having flower heads that resemble asters with broad white rays; found in desert areas of Arizona east to Kansas and south to Mexico