Studies of the Pliocene palaeobotany of California.
Dorf, Erling,1905-1984.
Webber, Irma E.
[Washington, D.C.] : Carnegie Institution of Washington,
1933.
Includes index.
Pliocene floras of California / Erling Dorf -- Woods from the Ricardo Pliocene of Last Chance Gulch, California / Irma E. Webber.
Paleobotany
Paleobotany