Raising Ferns from Spores
| Autor: | Stansfield, F. W., Greenfield, P. |
|---|---|
| Zdroj: | American Fern Journal, 1929 Apr 01. 19(2), 60-61. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | Stansfield, F. W., Greenfield, P. |
|---|---|
| Zdroj: | American Fern Journal, 1929 Apr 01. 19(2), 60-61. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|