1. Axelrod , D. I. 1939 A Miocene flora from the western border of the Mojave Desert Publication 476, Carnegie Institute of Washington Washington, D.C., USA
2. Miocene floras from the Middlegate basin, west-central Nevada;Axelrod;University of California Publications in Geological Sciences,1985
3. The Early Miocene Buffalo Canyon flora of western Nevada;Axelrod;University of California Publications in Geological Sciences,1991
4. Oligocene plants from the Upper Ruby River basin, southwestern Montana;Becker;Geological Society of America,1961
5. Two new species of Mahonia from the Grant-Horse Prairie Basin in southwestern Montana;Becker;Bulletin of the Torrey Botanical Club,1962