Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus petiolaris Nutt.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1105904 on 2025-03-23
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus petiolaris [New Zealand Plant Name Database] [details] LSID urn:lsid:compositae.org:names:11AC066F-C870-4238-8277-B5708FAF2BC5 [details] Type material s.n., T.Nuttall, null BM [details]