Compositae Working Group (CWG) (2024). Global Compositae Database. Machaeranthera canescens var. vacans (A.Nelson) S.L.Welsh. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1163179 on 2025-04-01
original description(1983). Great Basin Naturalist 43(2) page(s): 316 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Machaeranthera canescens A.Gray var. vacans (A.Nelson) S.L.Welsh [IPNI] [details] LSID urn:lsid:compositae.org:names:33E2D868-7465-4282-9ED1-9DB815501AD7 [details]