The Hundred-Horse Chestnut is the largest and oldest known chestnut tree in the world.
The Bialbero di Casorzo is situated between Grana and Casorzo in Piedmont, Italy. It is a mulberry tree on which a cherry tree grows.
西班牙栓皮栎 为壳斗科栎属下的一个种。是一种中型常绿橡树，原产于西北亚和西南欧。常被用来制作软木塞，因此又被称为软木橡树或木塞橡树。
