| Type | Article |
| Authors(s) | Brownsey PJ. |
| Year | 1983 |
| Title | Polyploidy and aneuploidy in Hypolepis and the evolution of the Dennstaedtiales. |
| Periodical | American Fern Journal |
| Volume | 73 |
| Page(s) | 97–108 |
| Type | Article |
| Authors(s) | Brownsey PJ. |
| Year | 1983 |
| Title | Polyploidy and aneuploidy in Hypolepis and the evolution of the Dennstaedtiales. |
| Periodical | American Fern Journal |
| Volume | 73 |
| Page(s) | 97–108 |