Alnites macquarrii
Corylus acutertiaria
Corylus americana (American hazelnut) (Attributes)
Corylus atropurpurea
Corylus atrosanguinea
Corylus avellana (common filbert) (Attributes)
Corylus avenallana <Unverified Name>
Corylus californica
Corylus chinensis (Chinese Hazel) (Attributes)
Corylus colchica (Colchian Hazel) (Vulnerable) (Attributes)
Corylus colurna (Chinese hazelnut) (Attributes)
Corylus colurnioides
Corylus colurnoides (Attributes)
Corylus cornuta (California hazelnut) (Attributes)
Corylus fargesii (Attributes)
Corylus ferox (Himalayan hazelnut) (Attributes)
Corylus fosteri
Corylus harrimani
Corylus heterophylla (Siberian hazelnut) (Attributes)
Corylus hybr
Corylus insignis
Corylus jacquemontii (Indian Tree Hazel) (Attributes)
Corylus macquarryi
Corylus maxima (giant filbert) (Attributes)
Corylus memorabilis
Corylus mirabilis
Corylus orbiculata
Corylus palachei
Corylus potaninii (Attributes)
Corylus praemorsa
Corylus sieboldiana (Japanese Hazel) (Attributes)
Corylus turtschaninovii
Corylus vilmorinii
Corylus wangii (Attributes)
Corylus wulingensis (Attributes)
Corylus yunnanensis (Yunnan Hazel) (Attributes)