Robinson, B. L., Greenman, J. M. (1899). Synopsis of the genus <em>Verbesina</em>, with an analytical key to the species. <em>Proc. Amer. Acad. Arts.</em> 34(20): 534-566. page(s): 560 [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Verbesina virginica var. mollissima B.L.Rob. & Greenm.. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1164216 on 2025-09-12
original descriptionRobinson, B. L., Greenman, J. M. (1899). Synopsis of the genus <em>Verbesina</em>, with an analytical key to the species. <em>Proc. Amer. Acad. Arts.</em> 34(20): 534-566. page(s): 560 [details]