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

Mexican hat, Ratibida columnaris - coneflower with flower heads resembling a Mexican hat with a tall red-brown disk and drooping yellow or yellow and red-brown rays; great plains along base of Rocky Mountains

long-head coneflower, Ratibida columnifera, prairie coneflower - plant similar to the Mexican hat coneflower; from British Columbia to New Mexico

prairie coneflower, Ratibida tagetes - coneflower of central to southwestern United States