-83.892494, 9.675278: 10 Treatments

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Pleurothallis matrisilvae   sp. nov.  Karremans, Adam P., Pupulin, Franco, Gange, John & Bogarín, Diego, 2025, Three new species of Pleurothallis (Orchidaceae) from Costa Rica and Panama, with a note on asexual reproduction by prolification in Pleurothallidinae, PhytoKeys 256, pp. 197-220 : 197-220 197-220
Symplocos serrulata     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Symplocos oreophila     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Embates galbinus   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
Embates polymorphus subsp. altrimsecus   subsp. nov.  Prena, Jens, 2005, The Middle American species of Embates Chevrolat (Coleoptera: Curculionidae: Baridinae), Zootaxa 1100 (1), pp. 1-151 : 1-151 1-151
Symplocos retusa     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Sticherus fuscus   sp. nov.  Gonzales, Jasivia & Kessler, Michael, 2011, A synopsis of the Neotropical species of Sticherus (Gleicheniaceae), with descriptions of nine new species, Phytotaxa 31, pp. 1-54 : 25-27 25-27
Clusia dotana   sp. nov.  Luján, Manuel, Wodcke, Emma & Hammel, Barry, 2024, Two new species of Clusia (Clusiaceae) endemic to Costa Rica, Kew Bulletin 79 (4), pp. 881-887 : 882-884 882-884
Oosternum simplex   sp. nov.  Fikáček, Martin & Hebauer, Franz, 2009, Taxonomic revision of the New World species of the genus Oosternum Sharp (Coleoptera: Hydrophilidae: Sphaeridiinae) II. The Oosternum convexum species group, Acta Entomologica Musei Nationalis Pragae 49 (1), pp. 103-117 : 112-115 112-115
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