Guide to eastern ferns.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Philadelphia :
University of Pennsylvania Press,
1948
|
| Edition: | [2d ed.]. |
| Subjects: |
| Item Description: | "An aid in the identification of the ferns and fern-allies of the region from Pennsylvania and New Jersey to Virginia." |
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| Physical Description: | iv, 252 pages : illustrations ; 18 cm. |