sphingomonas kyungheensis sphingomonas kyungheensis sphingomonas kyungheensis is a gram-negative, aerobic and motile bacteria from the genus of sphingomonas with a polar flagellum which has been isolated from soil from a ginseng field. sphingomonas kyungheensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas kyungheensisson et al. 2013 type strain kacc 16224, lmg 26582, thg-b283