23.8636, 41.94: 10 Treatments

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Ceratinella wideri     Naumova, Maria, Blagoev, Gergin & Deltshev, Christo, 2021, Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae), Zootaxa 4984 (1), pp. 228-257 : 238-239 238-239
Agyneta affinis     Naumova, Maria, Blagoev, Gergin & Deltshev, Christo, 2021, Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae), Zootaxa 4984 (1), pp. 228-257 : 238 238
Veronica rhodopea     Rojas-Andrés, Blanca M. & Martínez-Ortega, Montserrat, 2016, Taxonomic revision of Veronica subsection Pentasepalae (Veronica, Plantaginaceae sensu APG III), Phytotaxa 285 (1), pp. 448-450 : 448-450 448-450
Euscorpius petarberoni   sp. nov.  Tropea, G., Fet, V., Parmakelis, A. & Stathi, I., 2024, Two New Species Of Euscorpius (Scorpiones, Euscorpiidae) From Bulgaria And Greece, Zoodiversity 58 (1), pp. 1-18 : 2-9 2-9
Aporrectodea handlirschi     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 2016 (100), pp. 1-4 : 2 2
Dendrobaena attemsi     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 2016 (100), pp. 1-4 : 2 2
Aporrectodea trapezoides     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 2016 (100), pp. 1-4 : 2 2
Aporrectodea rosea     Valchovski, Hristo, 2016, Earthworm (Clitellata: Lumbricidae) records from the Rila Mountains (Bulgaria), ZooNotes 2016 (100), pp. 1-4 : 2 2
Senecio paludosus subsp. paludosus     Calvo, Joel, Álvarez, Inés & Aedo, Carlos, 2015, Systematics of Senecio section Crociseris (Compositae, Senecioneae), Phytotaxa 211 (1), pp. 448-450 : 448-450 448-450
Dendrobaena misirlioglui   sp. nov.  Csuzdi, Csaba, Valchovski, Hristo, Krízsik, Virág, Pavlíček, Tomáš & Szederjesi, Tímea, 2023, On the molecular taxonomy of the Dendrobaena alpina species complex, with description of a new species (Crassiclitellata, Lumbricidae), Zootaxa 5255 (1), pp. 62-67 : 65-66 65-66