Source:http://linkedlifedata.com/resource/umls/id/C0995448
MSH: A genus of gram-negative bacteria in the family OXALOBACTERACEAE, comprised of vibrioid or sometimes helical cells. They are chemoorganotrophic nitrogen fixers and are found free-living in the soil or in association with the roots of members of the GRAMINEAE. (From Bergey's Manual of Determinative Bacteriology, 9th ed)