Hymenopappus is a genus of flowering plants in the daisy family.L'Héritier de Brutelle, Charles Louis. 1788. Hymenopappus.Tropicos, Hymenopappus L'Hér. Many species are known as woollywhites.
Hymenopappus is native to North America, ranging from Alberta and Saskatchewan in west-central Canada through the western, central, and southeastern United States to northern Mexico. These are biennial or perennial herbs which bear daisylike flowers.Flora of North America, Hymenopappus L’Héritier 1788
Species 13 species are accepted.Flann, C (ed) 2009+ Global Compositae Checklist Biota of North America Program 2013 county distribution mapsTurner, B. L. 1956. A cytotaxonomic study of the genus Hymenopappus (Compositae). Rhodora 58: 163–186, 208–242, 259–269, 295–308. Hymenopappus artemisiifolius - oldplainsman - Texas Arkansas Louisiana Hymenopappus biennis - biennial woollywhite - New Mexico Texas Hymenopappus carrii – Texas Hymenopappus carrizoanus - Carrizo Sands woollywhite - Texas Hymenopappus filifolius - fineleaf hymenopappus - Texas + northern Baja California to Alberta + Saskatchewan Hymenopappus flavescens - collegeflower - Arizona New Mexico Texas Oklahoma Colorado Kansas, Chihuahua Hymenopappus flavomarginatus - Coahuila, Nuevo León, San Luis Potosí Hymenopappus hintoniorum - Coahuila Hymenopappus mexicanus - Mexican woollywhite - Arizona New Mexico, Chihuahua, San Luis Potosí Hymenopappus newberryi - Newberry's woollywhite - New Mexico Colorado Hymenopappus radiatus - ray hymenopappus - Arizona New Mexico Hymenopappus scabiosaeus - Carolina woollywhite - Texas Arkansas Louisiana Oklahoma Missouri Kansas Nebraska Illinois Indiana Mississippi Alabama Georgia Florida South Carolina, Coahuila, Chihuahua Hymenopappus tenuifolius - Chalk Hill woollywhite - Texas New Mexico Oklahoma Colorado Kansas Nebraska South Dakota Wyoming
References
External links USDA Plants Profile for Hymenopappus Jepson Manual Treatment