Compositae Working Group (CWG) (2025). Global Compositae Database. Pyrrocoma subsquarrosa Greene. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1171583 on 2025-09-12
original description(1895). Erythea 3 page(s): 22 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Erythea 3(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:BCF4566D-1D5F-4DD9-8639-20D76ADB8683 [details] Type material 5 Sep 1893, 334, J.N.Rose, holotype US, isotype UC, isotype GH [details]