Science · 1972 · 593 citations · 39 references
AgricultureBiologyPlant BiologyInsect EcologyPlant EcologyPollination EcologyPlant-pollinator InteractionsPollination BiologyPollination ManagementPollinator BehaviorPollinator HabitatSpecialized Pollination SystemsPollinator Activity PatternsPollinator EcologyPollinator Interactions
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Herbivores and the Number of Tree Species in Tropical Forests
Daniel H. Janzen · The American Naturalist · 1970 · 4.8K citations
Euglossine Bees as Long-Distance Pollinators of Tropical Plants
Daniel H. Janzen · Science · 1971 · 769 citations
SYNCHRONIZATION OF SEXUAL REPRODUCTION OF TREES WITHIN THE DRY SEASON IN CENTRAL AMERICA
Daniel H. Janzen · Evolution · 1967 · 559 citations · Full text
Life Sciences, Botany, Ecology +15
POLLINATION SYSTEMS AS ISOLATING MECHANISMS IN ANGIOSPERMS
Verne Grant · Evolution · 1949 · 503 citations