Leaves less than than 1/2 in. wide.
Many stem leaves.
158. Baby white aster. Leucelene ericoides
159. Cutleaf ironplant. Haplopappus spinulosus
161. Golden aster. Chrysopsis villosa var. villosa
166. Heath aster. Aster ericoides
Few stem leaves or all leaves at the base of the plant.
169. Plains daisy. Erigeron modestus
170. Trailing fleabane. Erigeron flagellaris
172. Aster. Aster subulatus var. ligulatus
More than 12 ray flowers 1/8-1/4 in.long.
173. Yerba de tajo. Eclipta prostrata