Rory Hodd is a botanist and ecologist, raised on the edge of the Killarney National Park, who works on studying, exploring and conserving the habitats and flora of Ireland and further afield. He has a specialist interest in mosses, liverworts and ferns, as well as mountain habitats.  He is deeply involved in both the Botanical Society of Britain and Ireland and the Irish Bryophyte Group and regularly leads outings to record both mosses and liverworts and vascular plants. He carries out training on moss and liverwort identification for both the general public and ecological professionals, and regularly writes about mosses and liverworts, including booklets, articles and a regular column for British Wildlife Magazine.

In August 2020, ecologist, Dr. Rory Hodd published a paper in the Journal of British and Irish Botany detailing his discovery of a tiny fern, Stenogrammitis myosuroides in a remote area of Killarney National Park. This was the first time that this species of fern had been detected in Europe, the only other known locations that this little plant can be found are in neo-tropical cloud-forests of Jamaica and Cuba.