| Type | Article |
| Authors(s) | Sarvela J. |
| Year | 1978 |
| Title | A synopsis of the fern genus Gymnocarpium. |
| Periodical | Annales Botanici Fennici |
| Volume | 15 |
| Page(s) | 101–106 |
| Type | Article |
| Authors(s) | Sarvela J. |
| Year | 1978 |
| Title | A synopsis of the fern genus Gymnocarpium. |
| Periodical | Annales Botanici Fennici |
| Volume | 15 |
| Page(s) | 101–106 |