The ferns and fern-allies of Maryland and Delaware including District of Columbia /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Baltimore :
Reed Herbarium,
1953.
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| Subjects: |
| Physical Description: | xviii, 286 pages : illustrations, maps ; 24 cm. |
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| Bibliography: | Bibliography: pages 275-278. |