Rolla M. Tryon Jr.
| Rolla Milton Tryon Jr. | |
|---|---|
| Botanist Rolla Milton Tryon Jr. | |
| Born | August 26, 1916 Chicago, Illinois, United States | 
| Died | August 20, 2001 (aged 84) | 
| Nationality | American | 
| Alma mater | University of Chicago University of Wisconsin–Madison Harvard University | 
| Spouse | Alice F. Tryon | 
| Scientific career | |
| Fields | Botany | 
| Institutions | Gray Herbarium, Harvard University | 
| Doctoral students | Gerald J. Gastony, David S. Barrington, David S. Conant, Paulo G. Windisch | 
| Author abbrev. (botany) | R.M.Tryon | 
Rolla Milton Tryon Jr. (August 26, 1916 – August 20, 2001) was an American botanist who specialized in the systematics and evolution of ferns and other spore-dispersed plants (pteridology). His particular focus and interest lay in two areas, historical biogeography of ferns and the taxonomy of tropical American ferns.