Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus petiolaris var. canus Britton. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1238765 on 2025-03-25
original description(1894). Mem. Torrey Bot. Club 5 page(s): 334 [details]
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 Nutt. var. canus Britton [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Memoirs of the Torrey Botanical Club 5(22): [Tropicos] [details] LSID urn:lsid:compositae.org:names:200FBC0C-2134-4EF2-A7FA-F5822F240344 [details] Status nom. illeg. nom. superfl. for H. petiolaris var. canescens A. Gray (1852). [details] Taxonomic remark Replacement name for Helianthus petiolaris var. canescens A.Gray [details] Taxonomy nom. superfl. [details]