Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus nuttallii subsp. coloradensis (Cockerell) R.W.Long. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1220529 on 2024-09-14
original description(1954). Rhodora 56 page(s): 199 [details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Cockerell) R.W. Long [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus nuttallii Torr. & A. Gray ssp. coloradensis (Cockerell) R.W. Long [Preliminary Checklist of North American Compositae] Helianthus nuttallii Torr. & A.Gray subsp. coloradensis (Cockerell) R.W.Long [IPNI] [details] LSID urn:lsid:compositae.org:names:DFB1CBF1-F63C-4922-B3DA-87DF7F4608A1 [details]