A text-book of mycology and plant pathology / by John W. Harshberger.
- Harshberger, John W. (John William), 1869-1929.
- Date:
- 1918, [©1917]
Licence: Public Domain Mark
Credit: A text-book of mycology and plant pathology / by John W. Harshberger. Source: Wellcome Collection.
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