Hesperevax is a small genus of flowering plants in the tribe Gnaphalieae of the family Asteraceae.Gray, Asa. 1856. Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4(5): 101 as Evax sect. Hesperevax A. GrayGray, Asa. 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 356Tropicos, Hesperevax (A. Gray) A. Gray Morefield, J. D. (1992). Resurrection and revision of Hesperevax (Asteraceae:Inuleae). Systematic Botany 17:2 293-310.
Hesperevax species are generally known as dwarf cudweeds. They are native to the west coast of North America, especially California. These are petite woolly annuals with discoid flower heads.Jepson Manual Treatment
Species Species include: Hesperevax acaulis - stemless dwarf-cudweed — California, Oregon Hesperevax caulescens - dwarf dwarf-cudweed, hogwallow starfish — endemic to California Hesperevax sparsiflora - erect dwarf-cudweed — California, Oregon
References
External links USDA Plants Profile for Hesperevax