Guide to eastern ferns /
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| Format: | Book |
| Language: | English |
| Published: |
Lancaster, Pa. :
The Science Press Printing Company,
1937.
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| Subjects: |
| Item Description: | "An aid in the identification of the ferns and fern-allies of the region from Pennsylvania and New Jersey to Virginia."--page 1. |
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| Physical Description: | iv, 220 pages : illustrations ; 17 cm. |