James D. Ackerman

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Raymond L TremblayUniversity of Puerto RicoVerified email at hpcf.upr.edu
Joel Tupac Otero (orcid.org/0000-000...Profesor Titular. Universidad Nacional de Colombia, Sede Palmira. Departamento de ciencias Básicas.Verified email at unal.edu.co
Jess K. ZimmermanProfessor of Ecology, University of Puerto RicoVerified email at ites.upr.edu
Elvia Melendez-AckermanProfessor of Environmental Sciences, University of PR-Rio PiedrasVerified email at ites.upr.edu
Wilfredo Falcón L.Federal Emergency Management Agency - Environmental and Historic PreservationVerified email at fema.dhs.gov
David RoubikEmeritus Research Entomologist, Smithsonian InstitutionVerified email at si.edu
Javier A. Rodriguez-RoblesUniversity of Nevada, Las VegasVerified email at unlv.edu
Ana CuevasMiami Dade CollegeVerified email at mymdc.net
Denny S. FernandezProfessor of Ecology, University of Puerto Rico at HumacaoVerified email at upr.edu
Alberto M. SabatDepartment of Biology, University of Puerto Rico, Río PiedrasVerified email at upr.edu
Julissa Rojas-SandovalInstitute of the Environment, University of ConnecticutVerified email at uconn.edu
Wilnelia RecartPost Doc, University of San DiegoVerified email at sandiego.edu
Nicola S FlanaganAssociate Professor, Pontificia Universidad Javeriana Cali, ORCID 0000-0002-4909-8710Verified email at javerianacali.edu.co
Adam P. KarremansLankester Botanical GardenVerified email at ucr.ac.cr
Eloisa LassoCoiba Scientific Station (COIBA AIP), PanamáVerified email at coiba.org.pa
Lawrence R. WalkerUniversity of Nevada Las VegasVerified email at unlv.nevada.edu
Edward Allen HerreStaff Scientist Smithsonian Tropical Research InstituteVerified email at si.edu
Marcia Carolina Muñoz NeyraUniversidad de La Salle, BogotáVerified email at unisalle.edu.co
Daniela ScaccabarozziPost Doc at Uppsala UniversityVerified email at ebc.uu.se
Emerson Ricardo PansarinProfessor Ciências Biológicas, Universidade de São PauloVerified email at ffclrp.usp.br

James D. Ackerman

University of Puerto Rico, Río Piedras

Verified email at upr.edu

Orchidology Plant Reproductive Ecology Invasive Species Biology Tropical Biology Caribbean Floristics


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Variation in sexual reproduction in orchids and its evolutionary consequences: a spasmodic journey to diversification RL Tremblay, JD Ackerman, JK Zimmerman, RN Calvo Biological Journal of the Linnean Society 84 (1), 1-54, 2005	850	2005
Mechanisms and evolution of food-deceptive pollination systems in orchids JD Ackerman Lindleyana 1 (2), 108-113, 1986	399	1986
Diversity and host specificity of endophytic Rhizoctonia‐like fungi from tropical orchids JT Otero, JD Ackerman, P Bayman American Journal of Botany 89 (11), 1852-1858, 2002	392	2002
Short‐and long‐term limitations to fruit production in a tropical orchid JD Ackerman, AM Montalvo Ecology 71 (1), 263-272, 1990	318	1990
Long-term ecology of euglossine orchid-bees (Apidae: Euglossini) in Panama DW Roubik, JD Ackerman Oecologia 73, 321-333, 1987	258	1987
Specificity and mutual dependency of the orchid-euglossine bee interaction JD Ackerman Biological Journal of the Linnean Society 20 (3), 301-314, 1983	224	1983
Differences in mycorrhizal preferences between two tropical orchids JT Otero, JD Ackerman, P Bayman Molecular Ecology 13 (8), 2393-2404, 2004	218	2004
Limitations to fruit production in Ionopsis utricularioides (Orchidaceae) AM Montalvo, JD Ackerman Biotropica, 24-31, 1987	217	1987
An orchid flora of Puerto Rico and the Virgin Islands JD Ackerman Memoirs of the New York Botanical Garden 73, 1-203, 1995	215	1995
Diversity and seasonality of male euglossine bees (Hymenoptera: Apidae) in Central Panama JD Ackerman Ecology 64 (2), 274-283, 1983	203	1983
Seedling establishment in an epiphytic orchid: an experimental study of seed limitation JD Ackerman, A Sabat, JK Zimmerman Oecologia 106, 192-198, 1996	202	1996
Widespread mycorrhizal specificity correlates to mycorrhizal function in the neotropical, epiphytic orchid Ionopsis utricularioides (Orchidaceae) JT Otero, NS Flanagan, EA Herre, JD Ackerman, P Bayman American Journal of Botany 94 (12), 1944-1950, 2007	173	2007
Limitations to sexual reproduction in Encyclia krugii (Orchidaceae) JD Ackerman Systematic Botany, 101-109, 1989	165	1989
Orchid—phorophyte relationships in a forest watershed in Puerto Rico LE Migenis, JD Ackerman Journal of Tropical Ecology 9 (2), 231-240, 1993	158	1993
Food-foraging behavior of male Euglossini (Hymenoptera: Apidae): vagabonds or trapliners? JD Ackerman, MR Mesler, KL Lu, AM Montalvo Biotropica, 241-248, 1982	155	1982
Geographic and seasonal variation in fragrance choices and preferences of male euglossine bees JD Ackerman Biotropica, 340-347, 1989	142	1989
Gene ﬂow and effective population size in Lepanthes (Orchidaceae): a case for genetic drift RL TREMBLAY, JD ACKERMAN	141*
Coping with the epiphytic existence: pollination strategies JD Ackerman Selbyana, 52-60, 1986	130	1986
Effects of display size, flowering phenology, and nectar availability on effective visitation frequency in Comparettia falcata (Orchidaceae) JA Rodríguez‐Robles, EJ Meléndez, JD Ackerman American Journal of Botany 79 (9), 1009-1017, 1992	125	1992
Pollination biology of Calypso bulbosa var. occidentals (Orchidaceae): a food-deception system JD Ackerman Madroño, 101-110, 1981	117	1981

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