The pteridophyte flora of the upper Gangetic Plain
Survey of tropical ferns and fern allies.
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| OCLC: | 2914661 |
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| 主要作者: | |
| 语言: | English |
| 出版: |
New Delhi,
Navayug Traders
[1973]
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| 版: | [1st ed.] |
| 主题: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |