Thesis--University of Michigan, 1929. / "Papers from the Department of Botany of the University of Michigan, no. 312." "Reprinted from the American journal of botany, XVI ... November, 1929." "Literature cited": p. 699-700.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/606359582 |
| Date | January 1929 |
| Creators | Sass, John E. |
| Publisher | Lancaster, Pa., Lancaster Press, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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