| Type | Article |
| Authors(s) | Smith AR. |
| Year | 1995 |
| Title | Non-molecular phylogenetic hypotheses for ferns. |
| Periodical | American Fern Journal |
| Volume | 85 |
| Page(s) | 104–122 |
| Type | Article |
| Authors(s) | Smith AR. |
| Year | 1995 |
| Title | Non-molecular phylogenetic hypotheses for ferns. |
| Periodical | American Fern Journal |
| Volume | 85 |
| Page(s) | 104–122 |