Proctor, G. R. 1989: Ferns of Puerto Rico and the Virgin Islands. – Mem. New York Bot. Gard. 53
| Title | Ferns of Puerto Rico and the Virgin Islands |
| Authorship | Proctor, G. R. |
| Date published | 1989 |
| Volume | 53 |
| In journal | Mem. New York Bot. Gard. |
| Title | Ferns of Puerto Rico and the Virgin Islands |
| Authorship | Proctor, G. R. |
| Date published | 1989 |
| Volume | 53 |
| In journal | Mem. New York Bot. Gard. |