Compositae Working Group (CWG) (2021). Global Compositae Database. Machaeranthera annua (Rydb.) Shinners. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1191267 on 2025-03-24
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Sida 1(6): [Tropicos] [details] LSID urn:lsid:compositae.org:names:F5950D77-9C40-417A-9A22-89330A8D323E [details]