Compositae Working Group (CWG) (2021). Global Compositae Database. Picris laxa DC.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1185736 on 2025-03-30
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A.P. de Candolle, Prodr. 7. 1838 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:199E4CA2-A644-4608-B8C5-6BC5A0C63944 [details] Taxonomy late Apr 1838 [details]