-49.499443, -28.35: 10 Treatments

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Neoblechnum brasiliense     Dittrich, Vinícius Antonio De Oliveira, Salino, Alexandre, Monteiro, Reinaldo & Gasper, André Luís De, 2017, The family Blechnaceae (Polypodiopsida) in Brazil: key to the genera and taxonomic treatment of Austroblechnum, Cranfillia, Lomaridium, Neoblechnum and Telmatoblechnum for southern and southeastern Brazil, Phytotaxa 303 (1), pp. 1-33 : 22 22
Chromolaena rhinanthacea     Christ, Anderson Luiz, Nakajima, Jimi Naoki & Ritter, Mara Rejane, 2025, Towards a better understanding of the Chromolaena congesta complex (Asteraceae, Eupatorieae): updated synopsis with taxonomic novelties, Phytotaxa 689 (2), pp. 163-184 : 178 178
Cambeva imaruhy   sp. nov.  Costa, Wilson J. E. M., Feltrin, Caio R. M. & Katz, Axel M., 2021, Field inventory reveals high diversity of new species of mountain catfishes, genus Cambeva Katz, Barbosa, Mattos & Costa, 2018 (Siluriformes: Trichomycteridae), in south-eastern Serra Geral, southern Brazil, Zoosystema 43 (28), pp. 659-690 : 667-669 667-669
Clematis serrana   sp. nov.  Piovesani, Willian Souza, Ferreira, Priscila Porto Alegre & Seger, Guilherme Dubal Dos Santos, 2024, Clematis serrana (Ranunculaceae), a new endemic species to the Atlantic Forest highlands in Southern Brazil, Phytotaxa 660 (2), pp. 149-160 : 150-156 150-156
Rhynchospora gollmeri     Weber, Philipy & Trevisan, Rafael, 2017, Rhynchospora caduciglumis a new species of Rhynchospora section Glaucae and neotypification of Rhynchospora gollmeri (Cyperaceae), Phytotaxa 292 (2), pp. 196-200 : 197-198 197-198
Ctenitis paranaensis     Viveros, Raquel Stauffer, Rouhan, Germinal & Salino, Alexandre, 2018, A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America, Phytotaxa 385 (1), pp. 448-450 : 448-450 448-450
Lomaridium     Dittrich, Vinícius Antonio De Oliveira, Salino, Alexandre, Monteiro, Reinaldo & Gasper, André Luís De, 2017, The family Blechnaceae (Polypodiopsida) in Brazil: key to the genera and taxonomic treatment of Austroblechnum, Cranfillia, Lomaridium, Neoblechnum and Telmatoblechnum for southern and southeastern Brazil, Phytotaxa 303 (1), pp. 1-33 : 16-18 16-18
Chromolaena latisquamulosa     Christ, Anderson Luiz, Nakajima, Jimi Naoki & Ritter, Mara Rejane, 2025, Towards a better understanding of the Chromolaena congesta complex (Asteraceae, Eupatorieae): updated synopsis with taxonomic novelties, Phytotaxa 689 (2), pp. 163-184 : 175-176 175-176
Odontesthes crossognathos   sp. nov.  Wingert, Juliana M., Ferrer, Juliano, Neves, Mayara P., Baumgartner, Dirceu & Malabarba, Luiz R., 2022, A New Species of Silverside of the Genus Odontesthes (Atheriniformes: Atherinopsidae) with Hypertrophic Lips from a High-Altitude Basin in Southern Brazil, Ichthyology & Herpetology 110 (4), pp. 680-689 : 682-686 682-686
Begonia trevisoensis   sp. nov.  Jaramillo, Julio C., Kollmann, Ludovic Jean Charles & Fiaschi, Pedro, 2018, Begonia trevisoensis, a new species of Begonia sect. Pritzelia (Begoniaceae) from Santa Catarina State, Brazil, Phytotaxa 381 (1), pp. 51-57 : 52-55 52-55