The sexuality of the Barro Colorado Island flora (Panama)Published in Phytologia, in 1979, in volume 42, pages 319-348Created: 2010-11-13, modified: 2011-10-03
A Revision of Syngonium (Araceae)Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 565-651Created: 2010-01-08, modified: 2015-12-16
Collecting and Preparing Specimens of AraceaePublished in Annals of the Missouri Botanical Garden, in 1985, in volume 72, pages 252-258Created: 2010-01-08, modified: 2015-12-16
Flora of Barro Colorado Island by Thomas B. CroatPublished in Madroño, in 1979, in volume 26, issue 3, pages 147-148Created: 2016-02-15, modified: 2016-07-07
A Reconsideration of Spondias mombin L. (Anacardiaceae)Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 483-490Created: 2010-01-08, modified: 2015-12-16
Flacourtiaceae New to Panama: Casearia and XylosmaPublished in Annals of the Missouri Botanical Garden, in 1975, in volume 62, pages 484-490Created: 2010-01-08, modified: 2015-12-16
Validation of the Name Anthurium loretense (Araceae)Published in Novon: A Journal For Botanical Nomenclature, in 2008, in volume 18, pages 144Created: 2014-06-14, modified: 2016-02-16
Validation of the Name Anthurium nutibarense (Araceae)Published in Novon: A Journal For Botanical Nomenclature, in 2008, in volume 18, pages 145Created: 2014-06-14, modified: 2016-02-16
A New Species of Myrcia (Myrtaceae) for PanamaPublished in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 886-888Created: 2010-01-08, modified: 2016-12-29
Notes on Central and South American Cissus (Vitaceae)Published in Annals of the Missouri Botanical Garden, in 1976, in volume 63, pages 358-362Created: 2010-01-08, modified: 2015-12-16
Trattinickia Aspera (Burseraceae) Reported New for South AmericaPublished in Annals of the Missouri Botanical Garden, in 1978, in volume 65, pages 780Created: 2010-01-08, modified: 2015-12-16
New Combinations in Central American AraceaePublished in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 659-660Created: 2010-01-08, modified: 2015-12-16
Species Diversity of Araceae in Colombia: A Preliminary SurveyPublished in Annals of the Missouri Botanical Garden, in 1992, in volume 79, pages 17-28Created: 2010-01-08, modified: 2015-12-16
A NEW SPECIES OF ANTHURIUM (ARACEAE) FROM OAXACA, MEXICOPublished in Acta Botánica Mexicana, in 2015, in volume 111, pages 1-7Created: 2016-05-12, modified: 2017-04-27
A Revision of the GenusChlorospatha(Araceae)1,2Published in Annals of the Missouri Botanical Garden, in 2015, in volume 101, issue 1, pages 1-259Created: 2024-06-27, modified: 2024-06-27
A New Species of Cissus (Vitaceae) for Central and South AmericaPublished in Annals of the Missouri Botanical Garden, in 1973, in volume 60, pages 564-567Created: 2010-01-08, modified: 2015-12-16
A New Species of Typhonium (Araceae) from VietnamPublished in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 195-197Created: 2014-06-14, modified: 2016-02-16
A Revision of Philodendron Subgenus Philodendron (Araceae) for Mexico and Central AmericaPublished in Annals of the Missouri Botanical Garden, in 1997, in volume 84, pages 311-704Created: 2010-01-08, modified: 2015-12-16
Casearia belizensis Standley, A Synonym of Laetia procera (Poeppig) Eich. (Flacourtiaceae)Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 526Created: 2010-01-08, modified: 2015-12-16
A Revision of the Genus Anthurium (Araceae) of Mexico and Central America. Part I: Mexico and Middle AmericaPublished in Annals of the Missouri Botanical Garden, in 1983, in volume 70, pages 211-416Created: 2010-01-08, modified: 2015-12-16
New species of Central American AraceaePublished in Novon, in 1999, in volume 9, pages 491-502Created: 2011-01-28, modified: 2016-02-16
A PHYTOGEOGRAPHIC ANALYSIS OF ARACEAE OF CABO CORRIENTES (CHOCÓ, COLOMBIA) AND COMPARABLE LOWLAND TROPICAL AMERICAN FLORAS1Published in Annals of the Missouri Botanical Garden, in 2006, in volume 93, issue 2, pages 359-366Created: 2024-06-27, modified: 2024-06-27
New species of Philodendron (Araceae) from Bajo Calima, ColombiaPublished in Novon, in 2008, in volume 18, pages 429-452Created: 2011-01-28, modified: 2016-02-16
Two new species of Araceae for the GuianasPublished in Novon, in 1995, in volume 5, pages 24-29Created: 2011-01-28, modified: 2016-02-16
New Amazonian taxa of Philodendron (Araceae)Published in Novon, in 2001, in volume 11, pages 381-388Created: 2011-01-28, modified: 2016-02-16
New endemic species of Anthurium Araceae from Río Huallaga, PeruPublished in Novon, in 2008, in volume 18, pages 146-163Created: 2011-01-28, modified: 2016-02-16
Notes on the genus Clitoria (Leguminosae) in PanamaPublished in Phytologia, in 1974, in volume 29, pages 130-134Created: 2011-01-26, modified: 2023-02-16
Matayba apetala (Sapindaceae) new for the flora of PanamaPublished in Phytologia, in 1979, in volume 44, pages 381-383Created: 2011-01-26, modified: 2011-06-21
Philodendron subgenus Pteromischum (Araceae) from Saül, French GuianaPublished in Novon, in 1994, in volume 4, pages 211-219Created: 2011-01-28, modified: 2016-02-16
Notes on Sapindaceae II - New species of Paullinia from PeruPublished in Phytologia, in 1977, in volume 38, pages 73-74Created: 2011-01-26, modified: 2023-02-16
Identity and Typification of Dracontium dubium Kunth (Araceae)Published in Novon, in 1998, in volume 8, pages 101-103Created: 2011-01-28, modified: 2016-02-16
New species of Araceae from Bolivia and the tropical AndesPublished in Novon, in 2005, in volume 15, pages 80-103Created: 2011-01-28, modified: 2011-10-03
A new species of Anthurium (Araceae) from Chiapas, MexicoPublished in Novon, in 2001, in volume 11, pages 88-91Created: 2011-01-28, modified: 2016-02-16
Notes on Sapindaceae. I. New species of Serjania from Central America and MexicoPublished in Phytologia, in 1976, in volume 33, pages 169-172Created: 2011-01-26, modified: 2023-02-16
Combretum laxum Jacq. var. epiphyticum (Combretaceae) a case of selection for water dispersalPublished in Phytologia, in 1974, in volume 28, pages 188-191Created: 2011-01-26, modified: 2023-02-16
New species of Anthurium Sect. Semaeophyllium (Araceae) from Central and South AmericaPublished in Novon, in 2004, in volume 14, pages 401-412Created: 2011-01-28, modified: 2011-06-21
New species of Stenospermation and Xanthosoma (Araceae) from Bajo Calima, Valle Department, ColombiaPublished in Novon, in 2007, in volume 17, pages 298-305Created: 2011-01-28, modified: 2016-02-16
A new species of Anthurium (Araceae) from southern Ecuador and a revision of the Anthurium oxybelium Schott complexPublished in Novon, in 2002, in volume 12, pages 474-480Created: 2011-01-28, modified: 2011-12-29
THOMAS CONRAD PORTERPublished in Rhodora, in 1901, in volume 3, issue 31, pages 191-193Created: 2016-07-19, modified: 2016-07-19
Howell, Thomas J. Nov. 25, 1884 [to S. Watson]in 1884, pages 1-3Created: 2017-06-24, modified: 2017-06-24
Howell, Thomas J. July 25, 1885 [to S. Watson]in 1885, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Howell, Thomas J. May 14, 1885 [to S. Watson]in 1885, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Howell, Thomas J. Sept. 21, 1887 [to S. Watson]in 1887, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Howell, Thomas J. Nov. 15, 1887 [to S. Watson]in 1887, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Howell, Thomas J. Apr. 4, 1891 [to S. Watson]in 1891, pages 1-2Created: 2017-06-24, modified: 2017-06-24
Un nouveau genre africain d'Annonacées : Boutiquea Le ThomasPublished in Adansonia, in 1965, in volume 5, issue 4, pages 531-535Created: 2020-06-14, modified: 2020-06-14
Un nouvel Artabotrys africain : Artabotrys rhopalocarpus. Le Thomas (Annonacée)Published in Adansonia, in 1966, in volume 6, issue 4, pages 589-592Created: 2020-05-10, modified: 2020-05-10
FLORISTIC INFORMATION SYSTEM FOR CALIFORNIA TRACHEOPHYTES (FISCT)Published in Madroño, in 1995, in volume 42, issue 2, pages 189-196Created: 2016-02-15, modified: 2016-07-07
John Thomas Howell 1903-1994Published in Madroño, in 1994, in volume 41, issue 3, pages 234-235Created: 2016-02-15, modified: 2016-07-07