Other numbers: ATCC 29145, DSM 1690, JCM 1224, NCIMB 11860, J. Döbereiner strain Sp7. Taxonomic status: Type strain. History: < J. Döbereiner. Isolated from: Roots (Digitaria decumbens); Brazil. Additional information: Type (5400). Nitrogen fixation (5400,5662). Cultivation conditions: Medium 73, 30°C.