Chishui Sidonggou Nature Reserve

Alsophila Spinulosa, known as the "king of ferns" in Latin, is the world's only known woody fern, making it a national treasure. Sidonggou Nature Reserve in Chishui, Guizhou province is the only national-level nature reserve in the world that preserves them.

Sidonggou Nature Reserve in Chishui. [Photo/gog.cn]