Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium rigorosum var. unanakense Om.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1236214 on 2024-09-21
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium rigorosum (Laest.) Almquist var. unanakense Om. [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:AFECCB82-3961-4EC3-AE7E-CA058675EE70 [details]