Compositae Working Group (CWG) (2021). Global Compositae Database. Haplopappus nuttallii var. depressus Maguire. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1162986 on 2024-09-14
original description(1947). Amer. Midl. Naturalist 37 page(s): 144 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus nuttallii Clem. & E.G.Clem. var. depressus Maguire [IPNI] [details] LSID urn:lsid:compositae.org:names:141BCCDC-B884-4197-AA7B-7D20869E1884 [details] Type material 18 Jun 1941, 20859, B.Maguire, null NY [details]