Polynucleobacter campilacus Hahn et al. 2018 Hahn M.W. Koll U. Schmidt J. Huymann L.R. Karbon G. Lang E. Polynucleobacter hirudinilacicola sp. nov. and Polynucleobacter campilacus sp. nov., both isolated from freshwater systems. 2018 68 8 2593 2601 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002880 29939120