Hypothesis on the maintaining of the polymorphism in natural populations of the land snail Cepaea nemoralis (L.)Published in Iberus, in 1991, in volume 10, pages 27-47Created: 2014-01-12, modified: 2014-01-12
Palynological Study of Cheilanthes and Astrolepis (Pteridaceae) Species from Northwestern ArgentinaPublished in American Fern Journal, in 1997, in volume 87, pages 51-65Created: 2017-04-23, modified: 2017-04-23
Morphological phylogenetic analysis of the spider genus Physocyclus (Araneae: Pholcidae)Published in Journal of Arachnology, in 2013, in volume 41, issue 2, pages 184-196Created: 2017-04-11, modified: 2017-04-11
Distribution, reproduction, and shell growth of limpets in Port Valdez, AlaskaPublished in Veliger, in 2000, in volume 43, pages 289-301Created: 2013-12-24, modified: 2013-12-24
Shell growth of Mytilus trossulus Gould, 1850, in Port Valdez, AlaskaPublished in Veliger, in 2000, in volume 43, pages 34-42Created: 2013-12-24, modified: 2013-12-24
Two new species of the spider genus Ochyrocera (Araneae, Ochyroceratidae) from MexicoPublished in Journal of Arachnology, in 2009, in volume 37, issue 2, pages 170-177Created: 2017-04-11, modified: 2017-04-11
Notes sur le genre HabenellaPublished in Richardiana, in 2005, in volume 6, issue 1, pages 33-39Created: 2018-10-28, modified: 2023-02-16
Alstroemeriaceae no estado do Rio de JaneiroPublished in Rodriguésia, in 2004, in volume 55, issue 85, pages 5-15Created: 2016-07-17, modified: 2016-07-17
Briozoi dell' Aonichense (Superpatagonico) di S. Jose' nella Peninsula di Valdez, (Argentina)Published in Annali Del Museo Civico Di Storia Naturale Di Genova, in 1949, in volume 63, pages 283-293Created: 2012-01-17, modified: 2012-01-17
Four new species of the genus Pseudocellus (Arachnida: Ricinulei: Ricinoididae) from MexicoPublished in Journal of Arachnology, in 2011, in volume 39, issue 3, pages 365-377Created: 2017-04-11, modified: 2017-04-11
The Hummingbirds of the Santa Marta Region of ColombiaPublished in The Auk, in 1899, in volume 16, pages 135-139Created: 2013-03-07, modified: 2013-03-08
North American Birds Collected at Santa Marta, ColombiaPublished in The Auk, in 1900, in volume 17, pages 363-367Created: 2013-03-08, modified: 2013-03-08
Notes sur le genre Plantaginorchis (Orchidaceae, Orchidoideae)Published in Richardiana, in 2005, in volume 6, issue 1, pages 31-32Created: 2018-10-28, modified: 2023-02-16
FOOD HABITS OF TURKEY VULTURES IN WEST TEXAS USAPublished in Journal of Raptor Research, in 1989, in volume 23, issue 2, pages 42-44Created: 2017-04-07, modified: 2017-04-07
Notes on Pleurothallidinae (Orchidaceae) from the Darién GapPublished in Richardiana, in 2014, in volume 14, pages 102-111Created: 2018-10-28, modified: 2023-02-16
Skull osteology of the characid fish Astyanax mexicanus (Teleostei: Characidae)Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 341-355Created: 2011-04-14, modified: 2011-06-21
HISTOLOGY OF THE CORPORA ALLATA OF MELANOPLUS DIFFERENTIALIS (ORTHOPTERA: SALTATORIA)Published in Biol Bull, in 1948, in volume 94, pages 194-207Created: 2010-01-06, modified: 2011-06-21
Bangs on Birds from the Sierra Nevada de Santa Marta, ColombiaPublished in The Auk, in 1900, in volume 17, pages 82Created: 2013-03-07, modified: 2013-03-08
Matériaux pour la révision des Habenariinae (Orchidaceae, Orchidoideae) - 7Published in Richardiana, in 2006, in volume 6, issue 4, pages 178-179Created: 2018-10-28, modified: 2023-02-16
Matériaux pour la révision des Habenariinae (Orchidaceae, Orchidoideae) - 6Published in Richardiana, in 2006, in volume 6, issue 3, pages 139-146Created: 2018-10-28, modified: 2023-02-16
Roost-site characteristics of Mexican Spotted Owls in Sierra Fria, Aguascalientes, MexicoPublished in Journal of Raptor Research, in 2001, in volume 35, issue 2, pages 165-168Created: 2017-04-07, modified: 2017-04-07
On some birds from Santa Marta, ColombiaPublished in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 131-144Created: 2011-07-31, modified: 2011-07-31
The Cheilanthes dichotoma Group of South AmericaPublished in American Fern Journal, in 1989, in volume 79, pages 127-135Created: 2017-04-23, modified: 2017-04-23
Typification and Relationships of Cheilanthes incisa (Pteridaceae)Published in American Fern Journal, in 2007, in volume 97, pages 140-148Created: 2017-04-23, modified: 2017-04-23
Matériaux pour la révision de Habenaria (Orchidaceae, Orchidoideae). 1Published in Richardiana, in 2003, in volume 3, issue 3, pages 136-143Created: 2018-10-28, modified: 2023-02-16
Materials to the revision of Habenariinae (Orchidaceae, Orchidoideae). 9. BilabrellaPublished in Richardiana, in 2009, in volume 9, issue 4, pages 157-160Created: 2018-10-28, modified: 2023-02-16
Matériaux pour la révision taxinomique de Habenaria Willdenow (Orchidaceae, Orchidoideae)Published in Richardiana, in 2005, in volume 6, issue 1, pages 40-43Created: 2018-10-28, modified: 2023-02-16
Matériaux pour la révision taxinomique de Habenaria (Orchidaceae, Orchidoideae) - 8Published in Richardiana, in 2006, in volume 6, issue 4, pages 196-198Created: 2018-10-28, modified: 2023-02-16
Sexually dimorphic radular morphology in Euplica varians and E. versicolor (Neogastropoda : Columbellidae)Published in Molluscan Research, in 2004, in volume 24, issue 3, pages 179-185Created: 2024-12-29, modified: 2024-12-29
Ciclo Reprodutivo De Tadarida Brasiliensis (I. Geoffroy, 1824)Published in Iheringia Serie Zoologia, in 1994, in volume 77, pages 45-56Created: 2011-07-05, modified: 2011-07-05
New Species of Alstroemeria (Alstroemeriaceae) from BrazilPublished in Novon: A Journal For Botanical Nomenclature, in 2009, in volume 19, pages 145-149Created: 2014-06-14, modified: 2016-02-16
New combinations in Dimerostemma (Asteraceae): Heliantheae-EcliptinaePublished in Phytologia, in 2007, in volume 89, issue 1, pages 115-120Created: 2017-03-08, modified: 2017-03-08
Influence of light and darkness on the pineal body in Astyanax mexicanus (Filippi)Published in Zoologica, in 1956, in volume 41, issue 15, pages 119-128Created: 2016-11-07, modified: 2016-11-07
On the Birds of the Sierra Nevada of Santa Marta, ColombiaPublished in Ibis, in 1880, in volume 4, issue 1, pages 114-125Created: 2024-09-30, modified: 2024-09-30
On the Birds of the Sierra Nevada of Santa Marta, ColombiaPublished in Ibis, in 1880, in volume 4, issue 2, pages 169-178Created: 2024-09-30, modified: 2024-09-30
Nesting Activity of Yellow-Billed Loons on the Colville River Delta, Alaska, after the Exxon Valdez Oil SpillPublished in The Wilson Bulletin, in 1993, in volume 105, issue 2, pages 325-332Created: 2017-08-22, modified: 2017-08-22
Diet of Mexican Spotted Owls in Chihuahua and Aguascalientes, MexicoPublished in Journal of Raptor Research, in 1997, in volume 31, issue 4, pages 376-380Created: 2017-04-07, modified: 2017-04-07
Description of a new fox from Santa Marta, ColombiaPublished in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 93-94Created: 2011-07-31, modified: 2011-07-31
Matériaux pour la révision taxinomique du complexe Brachycorytis (Orchidaceae, Orchidoideae)Published in Richardiana, in 2006, in volume 6, issue 2, pages 72-90Created: 2018-10-28, modified: 2023-02-16
PARTHENOGENESIS IN COPTOPTERYX VIRIDIS, GIGLIO TOS (1915) (DYCTIOPTERA, MANTIDAE)Published in Biol Bull, in 1979, in volume 157, pages 445-452Created: 2010-01-06, modified: 2011-06-21
On Sciurus variabilis from the Santa Marta Region of ColombiaPublished in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 183-186Created: 2011-07-31, modified: 2011-07-31
A new Sigmodon from the Santa Marta Region of ColombiaPublished in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 189-190Created: 2011-07-31, modified: 2011-07-31
Revision sistematica de la familia Tristiridae (Orthoptera, Acridoidea)Published in Boletin De La Sociedad De Biologia De Concepcion, in 1989, in volume 60, pages 51-110Created: 2012-03-02, modified: 2012-04-18
Notes on the Birds of Rio Frio (near Santa Marta) Magdalena, ColombiaPublished in Bulletin of The Museum of Comparative Zoology, in 1931, in volume 71, pages 349-421Created: 2011-11-08, modified: 2011-11-08
A new Spiny-tail from the Sierra Nevada de Santa Marta, ColombiaPublished in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 55Created: 2011-12-13, modified: 2011-12-13
Morphological and anatomical data on opisthobranch gastropods from Papua Nueva GuineaPublished in Iberus, in 2004, in volume 22, pages 85-114Created: 2014-01-12, modified: 2014-01-12
Contribution à la révision générique de Bulbophyllinae (Epidendroideae). 5- Tripudianthes (Seidenfaden) Szlachetko & KrasPublished in Richardiana, in 2007, in volume 7, issue 2, pages 94-96Created: 2018-11-04, modified: 2023-02-16
New species Koorchaloma and Ciliochorella from xeric forests in ArgentinaPublished in Mycotaxon, in 2011, in volume 115, issue 1, pages 175-181Created: 2024-04-04, modified: 2024-04-04
Population Structure and Habitat Components of a Non hunted Argali Population in the East Gobi, MongoliaPublished in Journal of The Bombay Natural History Society, in 2004, in volume 101, issue 3, pages 353-359Created: 2015-10-13, modified: 2015-10-13
Aplomado Falcon abundance and distribution in the northern Chihuahuan Desert of MexicoPublished in Journal of Raptor Research, in 2004, in volume 38, issue 2, pages 107-117Created: 2017-04-07, modified: 2017-04-07