Compositae Working Group (CWG) (2021). Global Compositae Database. Grindelia hirsutula var. calva Steyerm.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1226209 on 2025-04-06
original description(1934). Ann. Missouri Bot. Gard. 21: 575 (1934) page(s): 575 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Ann. Missouri Bot. Gard. 21 [Govaerts World Compositae Checklist A-G] Annals of the Missouri Botanical Garden 21(3): [Tropicos] [details] LSID urn:lsid:compositae.org:names:DD7EEB54-79D6-49EC-9C90-205341B7D02F [details]