Compositae Working Group (CWG) (2025). Global Compositae Database. Helianthus exasperatus E.Watson. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1117465 on 2025-03-27
original description(1929). Pap. Michigan Acad. Sci. 9 page(s): 455 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record E. Watson [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus exasperatus E. Watson [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Papers of the Michigan Academy of Science, Arts and Letters 9: [Tropicos] [details] LSID urn:lsid:compositae.org:names:8B14F879-CD47-4DE4-A950-07468CB8238F [details]