Compositae Working Group (CWG) (2021). Global Compositae Database. Haplopappus spinulosus var. paradoxus (B.L.Turner & R.L.Hartm.) Cronquist. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1241945 on 2025-03-24
original description(1994). Intermountain Flora 5: page(s): 199-200 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (B.L. Turner & R.L. Hartm.) Cronquist [Preliminary Checklist of North American Compositae] (B.L. Turner & R.L. Hartm.) Cronquist [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Machaeranthera pinnatifida var. paradoxa B.L. Turner & R.L. Hartm. [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus spinulosus (Pursh) DC. var. paradoxa (B.L. Turner & R.L. Hartm.) Cronquist [Preliminary Checklist of North American Compositae] Haplopappus spinulosus var. paradoxus (B.L. Turner & R.L. Hartm.) Cronquist [Tropicos] [details] LSID urn:lsid:compositae.org:names:9A3CC9E1-C88F-4EFC-8E5A-0842DE821CEB [details]