Plants in the Corylus genus
C
- C. americana (American Hazel)
- C. avellana (Hazel)
- Corylus avellana pontica
- C. chinensis (Chinese Hazel)
- C. colurna (Turkish Hazel)
- C. cornuta (Beaked Hazel)
C cont.
- Corylus cornuta californica (California Hazel)
- C. fargesii
- C. ferox (Himalayan Hazel)
- C. heterophylla (Siberian Filbert)
- C. jacquemontii (Indian Tree Hazel)
- C. maxima (Filbert)
C cont.
- C. sieboldiana (Japanese Hazel)
- Corylus sieboldiana mandschurica
- C. tibetica
- C. x colurnoides (Trazel)
- C. x vilmorinii (Chinese Trazel)