New Circumscription of the Endemic Brazilian Genus Actinocephalus (Eriocaulaceae)Published in Novon: A Journal for Botanical Nomenclature, in 2013, in volume 22, issue 3, pages 281-287Created: 2017-02-12, modified: 2017-02-12
Actinocephalus koernickeanus, a New Species of Eriocaulaceae from Minas Gerais, BrazilPublished in Novon: A Journal For Botanical Nomenclature, in 2009, in volume 19, pages 256-258Created: 2014-06-14, modified: 2016-02-16
Rusts of Costa RicaPublished in Botanical Gazette, in 1919, in volume 67, issue 2, pages 184Created: 2017-03-14, modified: 2017-03-14
LEVANTAMENTO DOS "TIPOS" DO HERBÁRIO DO JARDIM BOTÂNICO DO RIO DE JANEIRO: CONNARACEAEPublished in Rodriguésia, in 1978, in volume 30, issue 45, pages 309-333Created: 2016-07-17, modified: 2016-07-17
Aa (Orchidaceae) in Costa RicaPublished in Phytologia, in 1984, in volume 55, pages 443-446Created: 2011-01-26, modified: 2011-06-21
New bees from Costa RicaPublished in Entomological News Philadelphia, in 1917, in volume 28, pages 200Created: 2012-05-03, modified: 2012-05-03
A new Costa Rican ClidemiaPublished in Phytologia, in 1975, in volume 32, pages 286-287Created: 2011-01-26, modified: 2011-06-21
Notes on Costa Rican AquifoliaceaePublished in Novon, in 1996, in volume 6, pages 181-184Created: 2011-01-28, modified: 2016-02-16
Two remarkable new Costa Rican LocustsPublished in Entomological News Philadelphia, in 1905, in volume 16, pages 313-316Created: 2011-08-27, modified: 2021-04-05
Fishes from Puntarenas, Costa RicaPublished in Copeia, in 1917, in volume 39, pages 2-4Created: 2013-03-07, modified: 2013-03-08
North American Bird Notes from Costa RicaPublished in The Auk, in 1895, in volume 12, pages 87Created: 2013-03-08, modified: 2013-03-08
The genus Pteris of Costa RicaPublished in Rhodora, in 1961, in volume 63, issue 751, pages 194-205Created: 2014-06-16, modified: 2016-07-26
The genus Oleandra of Costa RicaPublished in Rhodora, in 1961, in volume 63, issue 756, pages 335-340Created: 2014-06-16, modified: 2016-07-26
An Apparently New Chordeiles from Costa RicaPublished in The Auk, in 1896, in volume 13, pages 135-136Created: 2013-03-08, modified: 2013-03-08
Bangs on Costa Rican BirdsPublished in The Auk, in 1909, in volume 26, pages 320-321Created: 2013-03-08, modified: 2013-03-08
Notes on Costa Rican birdsPublished in Zoologica, in 1914, in volume 1, issue 18, pages 325-343Created: 2016-11-07, modified: 2016-11-07
Studies on Costa Rican Odonata. IV. Erpetogomphus in Costa Rica, with descriptions of a new species having complex structural mating adaptationsPublished in Entomological News, in 1912, in volume 23, pages 289-295Created: 2011-06-03, modified: 2021-04-05
New orchid species from Costa RicaPublished in Novon, in 1995, in volume 5, pages 140-145Created: 2011-01-28, modified: 2016-02-16
A new Staphylus from Costa Rica (Lepid.: Hesperiidae)Published in Entomological News, in 1966, in volume 77, pages 261-264Created: 2011-08-10, modified: 2021-04-05
Bangs 'On Certain Costa Rican Birds'Published in The Auk, in 1908, in volume 25, pages 334-335Created: 2013-03-08, modified: 2013-03-08
Zur Bienenfauna von Costa Rica. (Hym.)Published in Entomologische Zeitung, in 1916, in volume 77, pages 287-348Created: 2015-06-28, modified: 2015-06-28
Ueber Lasiocephala taurus CostaPublished in Entomologische Zeitung Stettin, in 1866, in volume 27, pages 361-362Created: 2016-11-22, modified: 2016-11-22
A Botanist's Summer in Costa RicaPublished in Torreya, in 1942, in volume 42, issue 2, pages 33-37Created: 2022-12-12, modified: 2022-12-12
Notes on birds from Costa Rica and Chiriqui, with descriptions of new forms and new records for Costa RicaPublished in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 101-112Created: 2011-07-31, modified: 2011-07-31
Notes on Costa Rican Mycetophilidae (Diptera)Published in Entomological News, in 1941, in volume 52, pages 8Created: 2010-01-08, modified: 2021-04-05
Bryophytes of Monteverde, Costa RicaPublished in Phytologia, in 1971, in volume 21, pages 6-21Created: 2011-01-26, modified: 2011-06-21
A new species of Cyclodictyon from Costa RicaPublished in Phytologia, in 1971, in volume 21, pages 4-5Created: 2011-01-26, modified: 2011-06-21
Neuroptera and Trichoptera from Costa RicaPublished in Entomological News, Philadelphia, in 1914, in volume 25, pages 149-150Created: 2011-05-11, modified: 2021-04-05
Arachnida from Costa RicaPublished in Proc. Acad. nat. Sci. Philad., in 1909, in volume 61, pages 194-234Created: 2010-11-18, modified: 2021-04-05
Notes on Costa Rican FormicariidaePublished in Annals Carnegie Museum, in 1908, in volume 5, pages 8-10Created: 2011-01-31, modified: 2011-06-21
New species of Atopsyche from Costa Rica (Trichoptera: Hydrobiosidae)Published in Entomological News, in 1997, in volume 108, pages 161-174Created: 2011-10-03, modified: 2011-10-03
Some Costa Rican beesPublished in Transactions of The American Entomological Society Philadelphia, in 1906, in volume 32, pages 157-163Created: 2012-08-13, modified: 2012-08-13
A new species of Senecio from Costa RicaPublished in Rhodora, in 1965, in volume 67, issue 771, pages 239-241Created: 2014-06-16, modified: 2016-07-26
Notes on Two Costa Rican BirdsPublished in The Auk, in 1893, in volume 10, pages 278-280Created: 2013-03-08, modified: 2013-03-08
Ferry on a Collection of Birds from Costa RicaPublished in The Auk, in 1911, in volume 28, pages 125-126Created: 2013-03-08, modified: 2013-03-08
A second species of Haustellotyphis (Gastropoda: Typhidae) from Costa RicaPublished in Veliger, in 1995, in volume 38, pages 158-161Created: 2013-08-13, modified: 2013-08-13
Courtship of common caracaras in Costa RicaPublished in Raptor Research, in 1979, in volume 13, issue 1, pages 17-19Created: 2017-04-08, modified: 2017-04-08
REMNANT SEASHORE VEGETATION OF NORTHWEST COSTA RICAPublished in Madroño, in 1975, in volume 23, issue 4, pages 174-181Created: 2016-02-15, modified: 2016-07-07
Revision 4 von A. Costa beschriebener SchlupfwespenPublished in Entomologische Nachrichten, in 1888, in volume 14, pages 210-211Created: 2017-06-15, modified: 2017-06-15
Nachtrag zur Bienenfauna von Costa RicaPublished in Entomologische Zeitung Stettin, in 1921, in volume 82, pages 74-98Created: 2016-11-22, modified: 2016-11-22
A new branchiobdellid (Annelida) from Costa RicaPublished in Tulane Studies In Zoology, in 1964, in volume 12, pages 1-4Created: 2011-11-23, modified: 2023-02-16
A new Hintonia (Rubiaceae) from Costa RicaPublished in Phytologia, in 1974, in volume 29, pages 277-280Created: 2011-01-26, modified: 2023-02-16
Fulvius chaguenus carvalho and costa (Heteroptera: Miridae: Cylapinae: Fulviini): Redescription and recognition of type specimensPublished in Proceedings of the Entomological Society of Washington, in 2004, in volume 106, pages 417-420Created: 2010-11-04, modified: 2011-06-21
A new species of Schildola (Homoptera: Cicadellidae) from Costa RicaPublished in Entomological News, in 2000, in volume 111, issue 2, pages 116-119Created: 2009-12-25, modified: 2021-04-05
A new species of Pilosana from Costa Rica (Homoptera: Cicadellidae)Published in Entomological News, in 1996, in volume 107, issue 5, pages 327-328Created: 2009-12-25, modified: 2011-10-03
New species of Smicridea (Rhyacophylax) (Trichoptera: Hydropsychidae) from Costa RicaPublished in Entomological News, in 1995, in volume 106, issue 5, pages 213-223Created: 2009-12-25, modified: 2021-04-05
Guajirolus nanus (Ephemeroptera: Baetidae), a new species from Costa RicaPublished in Entomological News, in 1995, in volume 106, issue 2, pages 68-70Created: 2009-12-25, modified: 2021-04-05
A new species of Janetschekbrya from Costa Rica (Collembola: Entomobryidae)Published in Entomological News, in 1981, in volume 92, issue 1, pages 39-41Created: 2009-12-25, modified: 2021-04-05
New dragonflies (Odonata) from Costa RicaPublished in Tijdschrift Voor Entomologie, in 1989, in volume 132, pages 163-176Created: 2010-03-23, modified: 2011-10-03
New species and combinations in Costa Rican orchidsPublished in Novon, in 1997, in volume 7, pages 120-126Created: 2011-01-28, modified: 2016-02-16