Purkyn’s Hawkweed (Hieracium purkynei)
Purkyn’s Hawkweed is one of about 23 endemic plant species that are restricted to the Krkonoše Mountains, a mountain range located in the north of the Czech Republic and the southwest of Poland; this species occurred only at the Czech side of the border.
The species was a member of the Eginenthal Hawkweed aggregate (Hieracium gombense Lagg. ex Christen. agg.) (see photo).
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References:
[1] Milan Chytrý; Jiří Danihelka; Zdeněk Kaplan; Petr Pyšek: Flora and Vegetation of the Czech Republic. Springer 2017
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Depiction from: ‘Heinrich Gottlieb Ludwig Reichenbach; Heinrich Gustav Reichenbach: Icones florae Germanicae et Helveticae. Lipsiae: F. Hofmeister 1834-1912’
(not in copyright)
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edited: 02.10.2020