Corylus Hazel 10 North temperate. All species look alike. Cotinus Fustet 3 Southeast Asia, southern Europe to China. All species look alike. Crataegus Thorn 280 North temperate.
All species look alike.
Cupressus Cypress 13 Northern hemisphere. All species look alike. Dalbergia Rosewood 100 Tropics. Some species can be separated. Diospyros Ebony 475 Tropics.