;CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to mailto:evolseq@tauex.tau.ac.il
>Corylus americana
14
>Corylus avellana
22
>Corylus avellana var. pontica
14
>Corylus colurna
14
>Corylus cornuta
14
>Corylus cornuta subsp. californica
11
>Corylus ferox
11
>Corylus ferox var. tibetica
14
>Corylus heterophylla
14
>Corylus maxima
14
>Corylus sieboldiana
14
>Corylus × colurnoides
11