Compositae Working Group (CWG) (2025). Global Compositae Database. Symphyotrichum cordifolium var. lanceolatum (Porter) G.L.Nesom. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1237720 on 2025-09-13
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Porter) G.L. Nesom [Preliminary Checklist of North American Compositae] (Porter) G.L. Nesom [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Aster cordifolius Michx. var. lanceolatus [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Symphyotrichum cordifolium (L.) G.L. Nesom var. lanceolatum (Porter) G.L. Nesom [Preliminary Checklist of North American Compositae] Symphyotrichum cordifolium (L.) G.L.Nesom var. lanceolatum (Porter) G.L.Nesom [IPNI] Symphyotrichum cordifolium var. lanceolatum [Govaerts World Compositae Checklist A-G] Symphyotrichum cordifolium var. lanceolatum (Porter) G.L. Nesom [Tropicos] [details] LSID urn:lsid:compositae.org:names:C271E878-FC37-4693-B879-E38E4BE3ADBF [details] Taxonomy 31 Jan 1995 [details]