Butternuts can be separated from Walnuts. Tropical, American Black and European Walnuts can sometimes be separated based on their micro-anatomy, depending on sample size. West Indian Satinwood Zanthoxylum 250 Americas, Africa, Asia, Australia. All species look alike. Whitebeam Sorbus 85 Northern hemisphere.
All species look alike.
Willow Salix 400 Cold and temperate regions. All species look alike. Yellow Poplar Liriodendron 2 Eastern North America and China. Both species look alike. Yellowwood Podocarpus 94 Southern temperate through tropics to West Indies and Japan.