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James D. Ackerman
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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
8582005
Mechanisms and evolution of food-deceptive pollination systems in orchids
JD Ackerman
Lindleyana 1 (2), 108-113, 1986
4011986
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
3952002
Short‐and long‐term limitations to fruit production in a tropical orchid
JD Ackerman, AM Montalvo
Ecology 71 (1), 263-272, 1990
3191990
Long-term ecology of euglossine orchid-bees (Apidae: Euglossini) in Panama
DW Roubik, JD Ackerman
Oecologia 73, 321-333, 1987
2601987
Specificity and mutual dependency of the orchid-euglossine bee interaction
JD Ackerman
Biological Journal of the Linnean Society 20 (3), 301-314, 1983
2251983
Differences in mycorrhizal preferences between two tropical orchids
JT Otero, JD Ackerman, P Bayman
Molecular Ecology 13 (8), 2393-2404, 2004
2192004
Limitations to fruit production in Ionopsis utricularioides (Orchidaceae)
AM Montalvo, JD Ackerman
Biotropica, 24-31, 1987
2181987
An orchid flora of Puerto Rico and the Virgin Islands
JD Ackerman
Memoirs of the New York Botanical Garden 73, 1-203, 1995
2161995
Seedling establishment in an epiphytic orchid: an experimental study of seed limitation
JD Ackerman, A Sabat, JK Zimmerman
Oecologia 106, 192-198, 1996
2041996
Diversity and seasonality of male euglossine bees (Hymenoptera: Apidae) in Central Panama
JD Ackerman
Ecology 64 (2), 274-283, 1983
2041983
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
1762007
Limitations to sexual reproduction in Encyclia krugii (Orchidaceae)
JD Ackerman
Systematic Botany, 101-109, 1989
1661989
Orchid—phorophyte relationships in a forest watershed in Puerto Rico
LE Migenis, JD Ackerman
Journal of Tropical Ecology 9 (2), 231-240, 1993
1591993
Food-foraging behavior of male Euglossini (Hymenoptera: Apidae): vagabonds or trapliners?
JD Ackerman, MR Mesler, KL Lu, AM Montalvo
Biotropica, 241-248, 1982
1551982
Geographic and seasonal variation in fragrance choices and preferences of male euglossine bees
JD Ackerman
Biotropica, 340-347, 1989
1421989
Gene flow and effective population size in Lepanthes (Orchidaceae): a case for genetic drift
RL TREMBLAY, JD ACKERMAN
142*
Coping with the epiphytic existence: pollination strategies
JD Ackerman
Selbyana, 52-60, 1986
1311986
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
1261992
Pollination biology of Calypso bulbosa var. occidentals (Orchidaceae): a food-deception system
JD Ackerman
Madroño, 101-110, 1981
1181981
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