Haploangium minor Reichenbach 2005 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Myxococcota Waite et al. 2021 Polyangia Waite et al. 2020 Polyangiales Waite et al. 2020 Polyangiaceae Jahn 1924 (Approved Lists 1980) Polyangium (Reichenbach 2005) Link 1809 (Approved Lists 1980) Haploangium minor Reichenbach 2005 Polyangium (Reichenbach 2005) Link 1809 (Approved Lists 1980) Haploangium rugiseptum (ex McCurdy 1970) Reichenbach 2005 Haploangium minor Reichenbach 2005 Polyangium minor (Peterson 1959) McCurdy 1970 (Approved Lists 1980) Peterson J.E. A monocystic genus of the Myxobacterales (Schizomycetes) 1959 51 1 1 8 Mycologia 0027-5514 1557-2536 10.2307/3755929 Reichenbach H. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Genus IV. Haploangium (ex Peterson 1959) gen. nov., nom. rev. 2005 2, Part C 2 1129 1130 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 10.1007/0-387-29298-5_277 From J.E. Peterson, University of Missouri Herbarium: Haploangium minor (Accession Number 41, on bark of Ulmus rubra growing in Wagner's Woods, Holstein, Missouri, Moist-chamber Culture No. 283-9). Note that the Approved List incorrectly list UMH Peterson 44. Reichenbach H. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Genus IV. Haploangium (ex Peterson 1959) gen. nov., nom. rev. 2005 2, Part C 2 1129 1130 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 10.1007/0-387-29298-5_277