25.033333, 41.6: 10 Treatments

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Senecio macedonicus subsp. macedonicus     Calvo, Joel, Álvarez, Inés & Aedo, Carlos, 2015, Systematics of Senecio section Crociseris (Compositae, Senecioneae), Phytotaxa 211 (1), pp. 448-450 : 448-450 448-450
Trechus cardioderus subsp. irenis     Kostova, Rumyana & Bekchiev, Rostislav, 2023, Trechus (s. str.) “ subnotatus ” species group (Coleoptera: Carabidae) in Bulgaria, Zootaxa 5264 (4), pp. 505-525 : 511 511
Taraxacum radmilae   sp. nov.  Štěpánek, Jan & Kirschner, Jan, 2022, A hotspot of endemism: Oreophytic Taraxacum species (Compositae, Crepidinae) in the mountains of Bulgaria, Phytotaxa 569 (1), pp. 1-139 : 111-114 111-114
Taraxacum hamosius     Štěpánek, Jan & Kirschner, Jan, 2022, A hotspot of endemism: Oreophytic Taraxacum species (Compositae, Crepidinae) in the mountains of Bulgaria, Phytotaxa 569 (1), pp. 1-139 : 103-105 103-105
Taraxacum tetricum   sp. nov.  Štěpánek, Jan & Kirschner, Jan, 2022, A hotspot of endemism: Oreophytic Taraxacum species (Compositae, Crepidinae) in the mountains of Bulgaria, Phytotaxa 569 (1), pp. 1-139 : 109 109
Bombina variegata subsp. rhodopensis   subsp. nov.  Dufresnes, Christophe, Lukanov, Simeon, Gippner, Sven, Ambu, Johanna, Strachinis, Ilias, Arsovski, Dragan, Monod-Broca, Benjamin, Cayuela, Hugo, Lymberakis, Petros, Canestrelli, Daniele, Cogălniceanu, Dan, Poyarkov, Nikolay A., Litvinchuk, Spartak N., Suchan, Tomasz, Denoël, Mathieu & Jablonski, Daniel, 2025, Historical biogeography and systematics of yellow-bellied toads (Bombina variegata), with the description of a new subspecies from the Balkans, Vertebrate Zoology 75, pp. 1-30 : 1-30 1-30
Strongylognathus karawajewi     Lapeva-Gjonova, Albena & Radchenko, Alexander G., 2021, Ant genus Strongylognathus (Hymenoptera, Formicidae) in Bulgaria: a preliminary review, Biodiversity Data Journal 9, pp. 65742-65742 : 65742 65742
Elachista graeca     Kaila, Lauri, Nupponen, Kari & Sruoga, Virginijus, 2025, On species of the Elachista bedellella group (Gelechioidea, Elachistidae, Elachistinae) similar with E. rudectella Stainton, 1851 and E. graeca Parenti, 2002, with descriptions of five new species, Nota Lepidopterologica 48, pp. 103-136 : 103-136 103-136
Platypalpus exsectus   sp. nov.  Barták, Miroslav & Grootaert, Patrick, 2024, Description of twelve new species of Platypalpus Macquart from Europe and the Middle East (Diptera, Empidoidea, Hybotidae), Zootaxa 5443 (2), pp. 161-185 : 167-169 167-169
Titanoeca deltshevi   sp. nov.  Naumova, Maria, 2019, Description of Titanoeca deltshevi sp. n. from Bulgaria with faunistic notes on related species in the Balkans (Araneae, Titanoecidae), Zootaxa 4688 (3), pp. 420-430 : 421-424 421-424