Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium helenae T.Tyler. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1104926 on 2025-03-09
original description(2005). Ann. Bot. Fenn. 42(5)[details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record T. Tyler [Cichorieae Portal] T. Tyler [Euro+Med] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hieracium helenae T. Tyler [Cichorieae Portal] Hieracium helenae T. Tyler [Euro+Med] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record T. Tyler in Ann. Bot. Fenn. 42. 2005 [Cichorieae Portal] T. Tyler, in Ann. Bot. Fenn. 42. 2005. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:E9C8C1FA-312C-4033-8BF4-AD55FBF76914 [details] Taxonomy 28 Oct 2005 [details] Type material 22 June 1963, Erik Almquist, Uppland, Sollentuna, Rösjötorp, holotype S [details]