Thymophylla pentachaeta

Thymophylla pentachaeta, also known as fiveneedle pricklyleaf, golden dyssodia or dogweed, is a perennial or subshrub in the family Asteraceae. The species is native to the southwestern United States and Mexico.

Four varieties are recognised:
 * Thymophylla pentachaeta var. belenidium
 * Thymophylla pentachaeta var. hartwegii
 * Thymophylla pentachaeta var. pentachaeta
 * Thymophylla pentachaeta var. puberula