-83.833336, 9.95: 10 Treatments

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Argia elongata   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 14-21 14-21
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
Carex via-aquae   sp. nov.  Lois, Raúl, Acedo, Carmen, Reznicek, Anton A. & Jiménez-Mejías, Pedro, 2023, Three newly described species of Carex sect. Fecundae (Cyperaceae) from Central America and typification of two related names, Phytotaxa 579 (2), pp. 71-86 : 79-81 79-81
Bromus carinatu     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 : 42-47 42-47
Bromus carinatus var. marginatus     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 : 47-61 47-61
Miconia variabilis   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 132-139 132-139
Scirtothrips menai   sp. nov.  Retana-Salazar, Axel P., 2016, Scirtothrips menai sp. n., a new species from Costa Rica, Central America (Thysanoptera, Terebrantia, Thripidae)., Arquivos Entomolóxicos 15, pp. 3-15 : 5-6 5-6
Metrobates porcus     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 : 512 512
Rheumatobates bergrothi     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 : 509 509
Espeson dybasi   sp. nov.  Irmler, U., 2012, The Neotropical species of the genera Pseudespeson L, 1994 and Espeson S, 1882 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 62 (2), pp. 331-360 : 337-338 337-338