Reference No. 6416

Nakamura, L.K., Roberts, M.S., Cohan, F.M. 1999. Relationship of Bacillus subtilis clades associated with strains 168 and W23: a proposal for Bacillus subtilis subsp. subtilis subsp. nov. and Bacillus subtilis subsp. spizizenii subsp. nov. International Journal of Systematic Bacteriology. 49 : 1211-1215.