| Type | Chapter |
| Authors(s) | Wagner Jr WH, Wagner FS. |
| Year | 1980 |
| Title | Polyploidy in pteridophytes |
| Gepubliceerd in | Lewis WH (ed.) Polyploidy. |
| Page(s) | 199–214. |
| Published in/Publisher | New York: Springer. |
| Type | Chapter |
| Authors(s) | Wagner Jr WH, Wagner FS. |
| Year | 1980 |
| Title | Polyploidy in pteridophytes |
| Gepubliceerd in | Lewis WH (ed.) Polyploidy. |
| Page(s) | 199–214. |
| Published in/Publisher | New York: Springer. |