Compositae Working Group (CWG) (2021). Global Compositae Database. Machaeranthera rigida var. aristata (Eastw.) B.L.Turner. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1244481 on 2024-08-01
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Eastwood) B.L. Turner [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Machaeranthera rigida var. aristata (Eastwood) B.L. Turner [Tropicos] [details] LSID urn:lsid:compositae.org:names:F6011898-E802-440B-B60D-9C34B7630D7F [details]