Compositae Working Group (CWG) (2021). Global Compositae Database. Echinacea napifolia Sweet. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1177822 on 2024-05-14
original description(1830). Hort. Brit. [Sweet], ed. 2. page(s): 310 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Hort. Brit. , ed. 2 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:8EDCD6BB-661D-4916-AD9D-42717B2107E8 [details]