Ma Bo, also known as Grey Bun or Horse Manure Bun, is a type of fungus belonging to the Basidiomycota phylum and the Ma Bo order. It is widely distributed and can be found in almost all parts of China. After rainfall in summer and autumn, it mostly grows in open grasslands or on decaying wood in wetlands. Ma Bo Duo belongs to the family Lycoperdaceae in the Ma Bo family. Bulbasaur fruit is spherical, pear shaped, gyro shaped, and oblate in shape; The outer covering often has small warts or spines and other patterns, which fall off when mature, and is made of paper or film; Irregular opening or closure at the top; The false root is obvious or absent, fixed in the attachment or detached from the ground when mature; When mature, spores spread with the wind to the outside world; Spores without septa; The spore surface has indistinct ornamentation.