A hotspot of endemism: Oreophytic Taraxacum species (Compositae, Crepidinae) in the mountains of Bulgaria Author Štěpánek, Jan 0000-0003-4038-1998 Institute of Botany of the Czech Academy of Sciences, CZ- 25243 Průhonice 1, Czech Republic. & jan. stepanek @ ibot. cas. cz; https: // orcid. org / 0000 - 0003 - 4038 - 1998 jan.stepanek@ibot.cas.cz Author Kirschner, Jan 0000-0002-6303-713X Institute of Botany of the Czech Academy of Sciences, CZ- 25243 Průhonice 1, Czech Republic. & jan. kirschner @ ibot. cas. cz; https: // orcid. org / 0000 - 0002 - 6303 - 713 X jan.kirschner@ibot.cas.cz text Phytotaxa 2022 2022-10-20 569 1 1 139 http://dx.doi.org/10.11646/phytotaxa.569.1.1 journal article 172051 10.11646/phytotaxa.569.1.1 f8f7b3a8-119f-438c-95d6-5d701a007727 1179-3163 7235182 Taraxacum helveticum van Soest (1959: 85) Type:— L , no. det. 19673, holotype (herb. van Soest 1937) ! Doll (1978: 640) :—“am Musalla von 2500–2800 m “. Herbarium voucher specimens:—Flora von Bulgarien , Rila-Gebirge, Zum Musala-Gipfel, Wegrand, ca. 2500-2800 m . 12 Jul [19]76, R . Doll [as Taraxacum helveticum ] ( JE , no. det. 19406 & 19407). Interpretation:— A single herbarium sheet with twelve little plants, none belonging to T. helveticum . Three plants (upper row from the left) represent T. paludosiforme ( JE , no. det. 19406), the remaining nine plants belong to T. bulgaricum ( JE , no. det. 19407).