Polyangium spumosum (ex Krzemieniewska and Krzemieniewski 1927) Brockman 1989 Reichenbach H. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Genus I. Polyangium Link 1809, 42AL 2005 2, Part C 2 1110 1118 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Type strain is the description in Brockman 1989. Due to this fact, Reichenbach designated the type strain Pl sm5 (=DSM 14734=JCM 12638) as the type strain in Bergey's Manual of Systematic Bacteriology 2nd edition, vol. 2, and Lang and Reichenbach, 2013 formally proposed the deposits.