Compositae Working Group (CWG) (2021). Global Compositae Database. Picris hieracioides var. alpina. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1230345 on 2024-05-02
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Picris hieracioides L. var. alpina Koidzumi [Preliminary Checklist of North American Compositae] Picris hieracioides var. alpina Koidz. [Tropicos] [details] LSID urn:lsid:compositae.org:names:D65C90F3-E288-49F0-A506-7325E9B2E1B6 [details] Taxonomy not in IPNI - 6/03 [details]