Primitive land plants also known as the rchegoniatae.
| Auteur principal: | |
|---|---|
| Format: | Livre | 
| Langue: | English | 
| Publié: | New York
          Hafner Publishing
    
        1967 | 
| Auteur principal: | |
|---|---|
| Format: | Livre | 
| Langue: | English | 
| Publié: | New York
          Hafner Publishing
    
        1967 |