NCIt definition : A species of facultatively anaerobic, Gram positive, rod shaped bacteria in the phylum
Firmicutes. This species is motile by flagella and pilli, nonsporulating and halotolerant.
L. innocua is commonly found in food and in the soil, and is nonpathogenic.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Listeria innocua.;