Compositae Working Group (CWG) (2025). Global Compositae Database. Eupatorium hyssopifolium var. tortifolium (Chapm.) A.Gray. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1164440 on 2025-04-03
original description(1884). Syn. Fl. N. Amer. 1, pt. 2 page(s): 98 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Eupatorium hyssopifolium L. var. tortifolium (Chapm.) A.Gray [IPNI] [details] LSID urn:lsid:compositae.org:names:E1AC25AF-A831-4D96-8E72-FA669974C12A [details]