@article{articledeed1f23,
title   = {Welwitschiaceae from the lower cretaceous of northeastern Brazil},
author = {Dilcher, David L. and Bernardes-de-Oliveira, Mary Elizabeth Cerruti and Pons, Denise and Lott, Terry},
year = {2005},
doi = {10.3732/ajb.92.8.1294},
journal   = {American Journal of Botany}
}