Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus americanus (A.Gray) Greene. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1208667 on 2024-05-18
original description(1892). Proc. Acad. Nat. Sci. Philadelphia 1892 page(s): 362 [details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) Greene [Tropicos] Greene [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Carduus americanus (A. Gray) Greene [Tropicos] Carduus americanus Greene [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proc. Acad. Nat. Sci. Philadelphia [IPNI] Proceedings of the Academy of Natural Sciences of Philadelphia 44(3): [Tropicos] [details] LSID urn:lsid:compositae.org:names:D12DF6A3-71DC-489E-8887-E66446BECDC1 [details] Taxonomy as "Americanus" [details]