Leo J. Hickey

Systematics and Leaf Architecture of the Gunneraceae

Dorian Q. Fuller, Leo J. Hickey, D. Fuller, 2005, The Botanical Review.

Early cretaceous fossil evidence for angiosperm evolution

Leo J. Hickey, L. Hickey, J. Doyle, 2008, The Botanical Review.

The bases of angiosperm phylogeny: vegetative morphology.

Leo J. Hickey, L. Hickey, J. A. Wolfe, 1975 .

Ecological conservatism in the “living fossil” Ginkgo

Scott L. Wing, Dana L. Royer, Leo J. Hickey, 2003, Paleobiology.