Oak Quercus 600 North temperate regions south to Malaysia and Colombia. Can be separated into White, Red and Live Oak Groups. Olive Olea 20 Old World tropics and warm temperate. All species look alike. Partridgewood Andira 20 Tropical America and west Africa.
All species look alike.
Pine Pinus 93 North temperate regions. Red Bay Persea 150 Tropics. All species look alike. Red Gum Liquidambar 4 North America and Asia. All species look alike.