Compositae Working Group (CWG) (2025). Global Compositae Database. Heterotheca sessiliflora var. bolanderioides Semple. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1231748 on 2025-09-13
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Heterotheca sessiliflora (Nutt.) Shinners ssp. echioides (Benth.) Semple var. bolanderioides Semple [Preliminary Checklist of North American Compositae] Heterotheca sessiliflora (Nutt.) Shinners var. bolanderioides Semple [IPNI] [details] LSID urn:lsid:compositae.org:names:90B84A0C-1867-4065-A788-7D7B6C657F44 [details] Type material 16 Aug 1990, 9339, J.C.Semple, Ahmed, B.Suripto, holotype UC, isotype CAN, isotype CAS, isotype MO, isotype NY, isotype RSA, isotype WAT [details]