Taxonomy [non vidi]; source: J. T. Kartesz, Syn. Checklist Vasc. Pl. U.S. 124. 1994 (as a synonym of P. serpentaria Pursh)
Taxonomy [non vidi]; source: J. T. Kartesz, Syn. Checklist Vasc. Pl. U.S. 124. 1994 (as a synonym of P. serpentaria Pursh) [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Prenanthes integrifolia (Cass.) Small. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1200633 on 2025-03-09
LSID urn:lsid:compositae.org:names:A692F2D0-3EE9-495F-AAF7-B8E5FADD42A4 [details] Taxonomy [non vidi]; source: J. T. Kartesz, Syn. Checklist Vasc. Pl. U.S. 124. 1994 (as a synonym of P. serpentaria Pursh) [details]