Compositae Working Group (CWG) (2024). Global Compositae Database. Hieracium improvisum Norrl.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1103182 on 2025-03-24
original description(1889). Herb. Mus. Fenn. (Nylander), ed. 2, Pl. Vasc. 1[details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Norrl. - in Saelán & al., Herb. Mus. Fenn. ed. 2, 1. 1889 [Cichorieae Portal] Norrl., in Saelán & al., Herb. Mus. Fenn., ed. 2, 1. 1889. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:199FCC97-7E49-4DF4-9248-9FFE4DD320DF [details]