Compositae Working Group (CWG) (2025). Global Compositae Database. Hymenoxys olivacea Cockerell. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1125332 on 2025-03-28
original description(1904). Bull. Torrey Bot. Club 31 page(s): 497, t. 22, fig. 2 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bulletin of the Torrey Botanical Club 31(9): [Tropicos] [details] LSID urn:lsid:compositae.org:names:96DAB634-112F-4F81-9FB1-45C8F186D91E [details] Type material 9 Aug 1895, 807, A.I.Mulford, null NDG [details]