Ilex Holly 400 Cosmopolitan. All species look alike. 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. 50 Northern hemisphere, tropical Africa and the mountains of the West Indies.
All species look alike.
Laburnum Laburnum 2 Europe. All species look alike. Larix Larch 9 Cooler regions of the northern hemisphere. All species look alike. Laurus Laurel 2 Mediterranean.