-83.4527, 9.369942: 10 Treatments

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Epidendrum scandens   sp. nov.  Karremans, Adam P., Rojas-Alvarado, Gustavo & Chinchilla, Isler F., 2023, Epidendrum scandens: an unusual new orchid species endemic to the Cordillera de Talamanca in Costa Rica, Phytotaxa 626 (4), pp. 290-296 : 291-295 291-295
Embates sagittifolicus   sp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Metrobates laudatus     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522 : 511 511
Stenus (Hypostenus) holzeri   sp. nov.  Puthz, V., 2008, Stenus LATREILLE und die segenreiche Himmelstochter (Coleoptera, Staphylinidae), Linzer biologische Beiträge 40 (1), pp. 137-230 : 198-200 198-200
Paepalanthus pilosus subsp. var. var. pilosus     Hensold, Nancy, 2016, The Andean Paepalanthus pilosus complex (Eriocaulaceae): a revision with three new taxa, PhytoKeys 64, pp. 1-57 : 33-40 33-40
Bromus anomalus     Saarela, Jeffery M., Peterson, Paul M. & Valdés-Reyna, Jesus, 2014, A taxonomic revision of Bromus (Poaceae: Pooideae: Bromeae) in México and Central America, Phytotaxa 185 (1), pp. 1-147 : 10-24 10-24
Anolis riparius   sp. nov.  Chaves, Gerardo, Ryan, Mason J., Bolaños, Federico, Márquez, Cruz, Köhler, Gunther & Poe, Steven, 2023, Two new species of semiaquatic Anolis (Squamata: Dactyloidae) from Costa Rica, Zootaxa 5319 (2), pp. 249-262 : 257-259 257-259
Aristolochia longissima   sp. nov.  Jiménez, José Esteban, Fernández, Reinaldo Aguilar & Blanco, Mario A., 2021, Two new species of Aristolochia series Thyrsicae (Aristolochiaceae) from southern Central America, with comments on morphologically similar species, Phytotaxa 520 (2), pp. 169-183 : 173-176 173-176
Somoleptus paramocola   sp. nov.  Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Mucuna monticola   sp. nov.  Moura, Tânia M., Zamora, Nelson A., Torke, Benjamin M., Mansano, Vidal De F. & Tozzi, Ana Maria G. A., 2012, A New Species of Mucuna (Leguminosae-Papilionoideae-Phaseoleae) from Costa Rica and Panama, Phytotaxa 60 (1), pp. 1-8 : 2-7 2-7