Helianthella, the little sunflower, is a genus of North American plants in the family Asteraceae.Torrey, John, & Asa Gray. 1842. A flora of North America :containing abridged descriptions of all the known indigenous and naturalized plants growing north of Mexico, arranged according to the natural system 2(2): 333–334
SpeciesBiota of North America Program 2013 county distribution maps Helianthella californica A.Gray - California, Nevada, Oregon Helianthella castanea Greene - San Francisco Bay region Helianthella ciliata S.F.Blake - ChihuahuaThe International Plant Names Index Helianthella durangensis B.L.Turner - Durango Helianthella gypsophila B.L.Turner - Nuevo León, Coahuila Helianthella mexicana A.Gray - San Luis Potosí, Zacatecas, etc. Helianthella microcephala (A.Gray) A.Gray - Arizona, New Mexico, Colorado, Utah Helianthella parryi A.Gray - Arizona, New Mexico, Colorado, Utah Helianthella quinquenervis (Hook.) A.Gray - from Coahuila to Oregon + Montana Helianthella uniflora (Nutt.) Torr. & A.Gray - from New Mexico to British Columbia
References
External links USDA Plants Profile