Compositae Working Group (CWG) (2025). Global Compositae Database. Aster attenuatus (Howell) Frye & Rigg. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1204590 on 2025-09-13
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Frye & Rigg [IPNI] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Machaeranthera attenuata [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Aster attenuatus Frye & Rigg [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record NW Flora [Tropicos] [details] LSID urn:lsid:compositae.org:names:EE1799B8-2A00-47F1-803D-CD597E970305 [details] Status later homonym (non Lindley in Hooker 1835). [details] Taxonomy 12 Sep 1912 [details]