WoRMS source details
(1912). Zahn in Vestn. Tiflissk. Bot. Sada 21. 1912.
331183
1912
Publication
Date
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Hieracium hoppeanum subsp. antennarioidiforme Zahn accepted as Pilosella hoppeana subsp. macrantha (Ten.) S.Bräut. & Greuter (original description)
Hieracium incanum subsp. sosnowskii Zahn accepted as Pilosella verruculata subsp. akinfiewii (Woronow & Zahn) S.Bräut. & Greuter (original description)
Hieracium incanum subsp. sosnowskii Zahn accepted as Pilosella verruculata subsp. akinfiewii (Woronow & Zahn) S.Bräut. & Greuter (original description)