What Type of Mold Grows on Bread?

A lot of different molds can grow on bread, actually. There’s over 600 to 700 different species of Zygomycota molds, which are the most common types. Another type is the Black Bread Mold, or rhizopus stolonifer. Beware of the moldy bread, however. Always toss it if you see any signs of mold, because bread molds can cause infections.