J. Mcclammer

Post-Barremian (Early Cretaceous) to Paleocene paleobotanical collections in the Western interior of North America

David R. Crabtree, J. Mcclammer, 1989 .

Similarities and Differences in Dicotyledonous Woods of the Cretaceous and Paleocene. San Juan Basin, New Mexico, Usa

E. Wheeler, C. LaPasha, J. Mcclammer, 1995 .

A Taxonomic Analysis and Revised Classification of Centrospermae

J. Rodman, A. Bledsoe, R. R. Nakamura, 1984 .