Citrobacter koseri

**Definition:** A species of gram-negative enterobacteria found in WATER; SEWAGE; SOIL; and FOOD. It can be present in any clinical specimen as an opportunistic pathogen.

**Tree numbers:** - B03.440.450.425.200.475 - B03.660.250.150.100.475

**Synonyms:** - Citrobacter diversum - Citrobacter diversus - Levinea malonatica - Aerobacter diversum