How to know the mosses and liverworts; pictured-keys for determining many of the North American mosses and liverworts, with suggestions and aids for their study
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| Format: | Book |
| Language: | English |
| Published: |
Dubuque, Iowa,
W. C Brown Co
[1963? c1956]
Dubuque, Iowa, W. C. Brown Co [1959? c1956] |
| Edition: | Rev. ed |
| Series: | Pictured key nature series
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