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 |