Pteridophyte: Pteridophyte is a perennial herb and belongs to a large family of plants. Guizhou is rich in pteridophyte species.

Tender fern moss and moon moss are delicacies of human beings in spring and summer, which are light and refreshing and beneficial to health (pictured). The tender fern moss can be made into acid fern moss, dry fern moss and canned fern moss, which is convenient for preservation and circulation.