Age and origin of Sonoran Desert vegetation /
by Daniel I Axelrod
- 74 pages : ill ; 26 cm.
- Occasional papers of the California Academy of Sciences; no. 132 .
- Occasional papers of the California Academy of Sciences; no. 132. .
Cover title Bibliography: p. 69-74
0068-5461
79116642
Paleobotany--Cretaceous. Paleobotany--Tertiary. Paleobotany--Sonoran Desert (Mexico and U.S.) Desert plants--Sonoran Desert (Mexico and U.S.) Plants--Evolution.