Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus californicus DC.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1105433 on 2025-03-23
original description(1836). Prodr. (DC.) 5 page(s): 589 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record as "Californicus" [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Prodromus Systematis Naturalis Regni Vegetabilis 5: [Tropicos] [details] LSID urn:lsid:compositae.org:names:C876619A-4DF3-4280-902B-B22B4EC1DEB1 [details] Taxonomy 1-10 Oct 1836 [details] Type material s.n., D.Douglas, null K? [details]