All species look alike. Hemlock Tsuga 10 Temperate North America and eastern Asia. All species look alike. Hickory Carya 17 Eastern North America, Central America and eastern Asia. Holly Ilex 400 Cosmopolitan.
All species look alike.
Hornbeam Carpinus 35 North temperate regions. All species look alike. Horse Chestnut Aesculus 13 North America, eastern Europe, India and eastern Asia. All species look alike. Jackwood Artocarpus 31 Indomalesia.