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 References Thymophylla pentachaeta Flora of North America Dyssodia pentachaeta University of Arizona Pima County Cooperative Extension Tageteae