-83.16813, 9.8132: 10 Treatments

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Miconia alboglandulosa   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 : 46-49 46-49
Pilea matama   sp. nov.  Monro, A. K., 2009, A new species of Pilea (Urticaceae) from the Talamanca Mountains, Costa Rica, Phytotaxa 2, pp. 24-28 : 25-28 25-28
Miconia aurantiaca   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 60-62 60-62
Ternstroemia amistadensis   sp. nov.  Aguilar, D. Santamaría, Jiménez-Madrigal, Q. & Monro, A. K., 2015, A new species of Ternstroemia (Pentaphylacaceae) from La Amistad Binational Park and World Heritage Property, Costa Rica and Panama, Phytotaxa 217 (1), pp. 87-91 : 88-90 88-90
Xylocopa (Neoxylocopa) frontalis     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 17-22 17-22
Anthurium filamatamaense   sp. nov.  Ortiz, Orlando O. & Croat, Thomas B., 2016, New Species of Anthurium section Calomystrium from Costa Rica and Panama, Phytotaxa 257 (1), pp. 34-50 : 36-38 36-38
Blakea ricardoi   sp. nov.  Michelangeli, Fabián A. & Santamaría-Aguilar, Daniel, 2020, A new species of Blakea (Melastomataceae: Blakeeae) with pendulous flowers from Costa Rica, Phytotaxa 442 (1), pp. 11-19 : 12-17 12-17
Louteridium costaricense     Daniel, Thomas F. & Tripp, Erin A., 2018, Louteridium (Acanthaceae: Acanthoideae: Ruellieae: Trichantherinae): Taxonomy, Phylogeny, Reproductive Biology, and Conservation, Proceedings of the California Academy of Sciences 65 (2), pp. 41-106 : 75-76 75-76
Miconia approximata   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 : 51-57 51-57
Guatteria rubiginosa   sp. nov.  Maas, Paul J. M., Westra, Lubbert Y. Th., Chatrou, Lars W., Verspagen, Nadja, Rainer, Heimo, Zamora, Nelson A. & Erkens, Roy H. J., 2019, Twelve new and exciting Annonaceae from the Neotropics, PhytoKeys 126, pp. 25-69 : 39-41 39-41