Clostridium

**Definition:** A genus of motile or nonmotile gram-positive bacteria of the family Clostridiaceae. Many species have been identified with some being pathogenic. They occur in water, soil, and in the intestinal tract of humans and lower animals.

**Tree numbers:** - B03.300.390.400.200 - B03.353.625.375.500 - B03.510.415.400.200 - B03.510.460.410.249