1. Specificity and mutual dependency of the orchid-euglossine bee interaction;Ackerman JD;Biological Journal of the Linnean Society,1983
2. Mechanisms and evolution of food-deceptive pollination systems in orchids;Ackerman JD;Lindleyana,1986
3. An orchid flora of Puerto Rico and the Virgin Islands;Ackerman JD;Memoirs of the New York Botanical Garden,1995
4. Variation in pollinator abundance and selection on fragrance phenotypes in an epiphytic orchid;Ackerman JD;American Journal of Botany,1997
5. Reproductive biology of Oncidium variegatum: moon phases, pollination and fruit set;Ackerman JD;American Orchid Society Bulletin,1985