Taxonomy Helianthus giganteus fm. verticillatus Lakela 1947, non Helianthus giganteus var. verticillatus Farwell 1927
Taxonomy Helianthus giganteus fm. verticillatus Lakela 1947, non Helianthus giganteus var. verticillatus Farwell 1927 [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus nuttallii f. verticillatus B.Boivin. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1164896 on 2025-03-31
original description(1972). Phytologia 23 page(s): 74 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus nuttallii Torr. & A.Gray f. verticillatus B.Boivin [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Phytologia 23(1) [IPNI] [details] LSID urn:lsid:compositae.org:names:6BDD09D6-A064-4645-907F-9564ECC3EFFA [details] Taxonomy Helianthus giganteus fm. verticillatus Lakela 1947, non Helianthus giganteus var. verticillatus Farwell 1927 [details]