NCIt definition : A species of facultatively anaerobic, Gram negative, rod shaped bacteria in the phylum
Proteobacteria. This species is hydrogen sulfide positive, citrate and oxidase negative
and produces acid from L arabinose and D xylose but not dulcitol. L. richardii is
an emerging nosocomial pathogen, especially in immunocompromised patients.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Leminorella richardii.;