Taxonomy Johansson in Arkiv Bot., Stockh. xxi. A. No. 15, 51 (1928)
Taxonomy Johansson in Arkiv Bot., Stockh. xxi. A. No. 15, 51 (1928) [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium umbricoliforme Johanss.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1142254 on 2024-10-06