Heterotheca villosa (Pursh) Shinners
Heterotheca villosa in Field & Lab. 19(2): 71. 1951 sec. Roskov, Y., Kunze, T., Orrell, T., Abucay, L., Paglinawan, L., Culham, A., Bailly, N., Kirk, P., Bourgoin, T., Baillargeon, G., Decock, W., De Wever, A. & Didžiulis, V. (Eds.) 2014