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Displaying 276 - 300 of 26203
Author Year Publications
Ackerman, James D. 1986

"Relative pollinator effectiveness and evolution of floral traits of Spathiphyllum Friedrichsthalii (Araceae)" in American Journal of Botany

Ackerman, James D. 1986

"Two new species of epidendrum with lateral inflorescences" in Selbyana

Ackerman, James D. 1986

"Coping with the epiphytic existence: pollination strategies" in Selbyana

Ackerman, James D. 1987

"Limitations to Fruit Production in Ionopsis utricularioides (Orchidaceae)" in Biotropica

Ackerman, James D. 1987

"Long-Term Ecology of Euglossine Orchid-Bees (Apidae: Euglossini) in Panama" in Oecologia

Ackerman, James D. 1989

"Limitations to Sexual Reproduction in Encyclia krugii (Orchidaceae)" in Systematic Botany

Ackerman, James D. 1989

"Asynchronous Phenologies of a Neotropical Orchid and Its Euglossine Bee Pollinator" in Ecology

Ackerman, James D. 1989

"Geographic and Seasonal Variation in Fragrance Choices and Preferences of Male Euglossine Bees" in Biotropica

Ackerman, James D. 1990

"Short- and Long-Term Limitations to Fruit Production in a Tropical Orchid" in Ecology

Ackerman, James D. 1991

"Patterns and Maintenance of Extraordinary Variation in the Caribbean Orchid, Tolumnia (Oncidium) variegata" in Systematic Botany

Ackerman, James D. 1991

"Ecological Effects of Hurricanes" in Bulletin of the Ecological Society of America

Ackerman, James D. 1992

"Effects of display size, flowering phenology, and nectar availability on effective visitation frequency in Comparettia Falcata (Orchidaceae)" in American Journal of Botany

Ackerman, James D. 1992

"Immediate Impact of Hurricance Hugo on a Puerto Rican Rain Forest" in Ecology

Ackerman, James D. 1993

"Orchid-Phorophyte Relationships in a Forest Watershed in Puerto Rico" in Journal of Tropical Ecology

Ackerman, James D. 1993

"A New Species of Lepanthes (Orchidaceae) from Puerto Rico" in Brittonia

Ackerman, James D. 1993

"The Effects of a Rust Infection on Fitness Components in a Natural Population of Tolumnia variegata (Orchidaceae)" in Oecologia

Ackerman, James D. 1994

"Factors associated with a rust infection (Sphenosphora saphena) in an epiphytic orchid (Tolumnia variegata)" in American Journal of Botany

Ackerman, James D. 1994

"A Meager Nectar Offering by an Epiphytic Orchid is Better than Nothing" in Biotropica

Ackerman, James D. 1996

An Orchid Flora of Puerto Rico and the Virgin Islands

Ackerman, James D. 1996

"Fruit set in a deceptive orchid: The effect of flowering phenology, display size, and local floral abundance" in American Journal of Botany

Ackerman, James D. 1996

"Review of Orchids of Jamaica" in Systematic Botany

Ackerman, James D. 1996

"The Maturation of a Flora: Orchidaceae of Puerto Rico and the Virgin Islands" in Annals of the New York Academy of Sciences

Ackerman, James D. 1996

"Seedling establishment in an epiphytic orchid: an experimental study of seed limitation" in Oecologia

Ackerman, James D. 1997

"Variation in pollinator abundance and selection on fragrance phenotypes in an epiphytic orchid" in American Journal of Botany

Ackerman, James D. 1998

"Evolutionary potential in orchids: patterns and strategies for conservation" in Selbyana