Compositae Working Group (CWG) (2025). Global Compositae Database. Heterotheca marginata Semple. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1105167 on 2025-09-12
original description(1996). Univ. Waterloo Biol. Ser. 37 page(s): 83 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Revision of Heterotheca Sect. Phyllotheca [Tropicos] [details] LSID urn:lsid:compositae.org:names:0DC09E89-973A-48B7-8C49-AF6DD5856A65 [details] Type material 16 Oct 1993, 10384, J.C.Semple, holotype WAT, isotype ARIZ, isotype ASU, isotype DAO, isotype MO, isotype MT, isotype NY, isotype RM, isotype TEX, isotype UC, isotype US [details]