Daniel H. Janzen

Herbivores and the Number of Tree Species in Tropical Forests

Daniel H. Janzen · The American Naturalist · 1970 · 4.8K citations

Life Sciences, Ecology, Evolutionary Biology +17

Ten species in one: DNA barcoding reveals cryptic species in the neotropical skipper butterfly <i>Astraptes fulgerator</i>

Paul D. N. Hebert, Erin H. Penton, John M. Burns et al. · Proceedings of the National Academy of Sciences · 2004 · 3.5K citations · Full text

Life Sciences, Biology, Zoology +17

Why Mountain Passes are Higher in the Tropics

Daniel H. Janzen · The American Naturalist · 1967 · 2.1K citations

Natural Sciences, Earth Sciences, Meteorology +8

Seed Predation by Animals

Daniel H. Janzen · Annual Review of Ecology and Systematics · 1971 · 2K citations

Life Sciences, Ecology, Landscape Ecology +11

Use of DNA barcodes to identify flowering plants

W. John Kress, Kenneth J. Wurdack, Elizabeth A. Zimmer et al. · Proceedings of the National Academy of Sciences · 2005 · 1.9K citations

Life Sciences, Plant Biology, Plant Sciences +16