He sponsored several botanical collectors, including George Forrest, and Rhododendron aberconwayi is named in his honor.
Rhododendron | rhododendron | Rhododendron ponticum | Rhododendron tomentosum | Rhododendron luteum | American Rhododendron Society | Rhododendron vaseyi | Rhododendron subg. Hymenanthes | Rhododendron selense | Rhododendron rex | Rhododendron neoglandulosum | Rhododendron ferrugineum | Rhododendron aberconwayi | MV ''Rhododendron'' | MV Rhododendron |