The ferns (Filicales) : treated comparatively with a view to their natural classification /
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| Format: | Book |
| Language: | English |
| Published: |
Cambridge [England] :
University Press,
1923-28.
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| Series: | Cambridge botanical handbooks.
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| Subjects: |
| Physical Description: | 3 volumes : frontispiece, illustrations, diagrams ; 27 cm. |
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| Bibliography: | bibliographies at end of chapters. |