The American ferns of the group of Dryopteris opposita contained in the U.S. National museum /
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| Corporate Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Washington :
Smithsonian Institution,
1910
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| Series: | Publication (Smithsonian Institution) ;
1865 Publication (Smithsonian Institution) 1867 Smithsonian miscellaneous collections ; v. 52 Smithsonian miscellaneous collections v. 52 |
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