All Species in Ostrya
- Chisos Hophornbeam (Ostrya knowltonii)
- Hophornbeam (Ostrya virginiana)
- Knowlton's Hophornbeam (Ostrya knowltonii)
- Ostrya carpinifolia (Ostrya carpinifolia)
- Ostrya chinensis (Ostrya chinensis)
- Ostrya japonica (Ostrya japonica)
- Ostrya rehderiana (Ostrya rehderiana)
- Ostrya trichocarpa (Ostrya trichocarpa)
- Ostrya virginiana subsp. guatemalensis (Ostrya virginiana subsp. guatemalensis)
- Ostrya virginiana subsp. virginiana (Ostrya virginiana subsp. virginiana)
- Ostrya yunnanensis (Ostrya yunnanensis)