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Ackerman, James D.

1986"Relative pollinator effectiveness and evolution of floral traits of Spathiphyllum Friedrichsthalii (Araceae)" in American Journal of Botany
1986"Two new species of epidendrum with lateral inflorescences" in Selbyana
1986"Coping with the epiphytic existence: pollination strategies" in Selbyana
1985"Longevity of Euglossine Bees" in Biotropica
1983"Euglossine bee pollination of the orchid, Cochleanthes Lipscombiae: a food source mimic" in American Journal of Botany
1983"Diversity and Seasonality of Male Euglossine Bees (Hymenoptera: Apidae) in Central Panamá" in Ecology
1983"On the Evidence for a Primitively Epiphytic Habit in Orchids" in Systematic Biology
1983"Specificity and mutual dependency of the orchid-euglossine bee interaction" in Biological Journal of the Linnean Society
1982"Food-Foraging Behavior of Male Euglossini (Hymenoptera: Apidae): Vagabonds or Trapliners?" in Biotropica
1982"Stratum, Tree, and Flower Selection by Tropical Bees: Implications for the Reproductive Biology of Outcrossing Cochlospermum Vitifolium in Panama" in Ecology
1981"Pollination biology of Calypso bulbosa var. occidentals (orchidaceae): a food-deception system" in Madrono
1981"Two new species of the chondrorhyncha complex (orchidaceae: zygopetalinae)" in Selbyana
1981"Pollen Morphology of the Chloraeinae (Orchidaceae: Diurideae) and related subtribes" in American Journal of Botany
1980"The Effectiveness of Fungus Gnats as Pollinators" in American Journal of Botany
1979"Pollination biology of Listera Cordata (Orchidaceae)" in American Journal of Botany
1979"Dodsonia, a new Ecuadorian genus of the zygopetalinae (orchidaceae)" in Selbyana
1977"Biosystematics of the genus Piperia Rydb. (Orchidaceae)" in Botanical Journal
1976"Biosystematic studies in the genus Piperia (Orchidaceae)" in Theses and Projects
1975"Reproductive Biology of Goodyera oblongifolia (orchidaceae)" in Madrono
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