Tumors, cysts, pith-bundles, and floral proliferations in Helianthus / by Erwin F. Smith.
- Smith, Erwin F. (Erwin Frink), 1854-1927.
- Date:
- 1927]
Licence: In copyright
Credit: Tumors, cysts, pith-bundles, and floral proliferations in Helianthus / by Erwin F. Smith. Source: Wellcome Collection.
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