Thesis (Ph. D.)--University of California, 1920. / University of California publications in botany. v. 7, no. 14, August 11, 1922, with special thesis t.p. attached to the cover. Cover title. "Literature cited": p. 473-476.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/499494798 |
| Date | January 1922 |
| Creators | Essig, Frederick Monroe, |
| Publisher | Berkeley, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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