Thesis (Ph. D.)--University of Michigan, 1920. / "Reprinted from the American journal of botany, vol. VII, November, 1920." Includes bibliographical references (p. 404-406).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608679748 |
| Date | January 1920 |
| Creators | Friesner, Ray Clarence, |
| Publisher | Lancaster, Pa. : Press of the New Era Print. Co., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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