Compositae Working Group (CWG) (2021). Global Compositae Database. Achillea atrata var. oligocephala Heimerl. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1235892 on 2025-03-28
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea atrata L. var. oligocephala Heimerl [IPNI] [details] LSID urn:lsid:compositae.org:names:B0B40A65-E7A8-47B9-BC51-C479054F7FFE [details] Taxonomy Aug 1884 [details] Type material "Alpium solo calcareo aut slice occurrunt ... Helveticis, Italiae borealis ..." [details]