sphingomonas endophytica sphingomonas endophytica sphingomonas endophytica is a gram-negative bacteria from the genus of sphingomonas which has been isolated from the root of the plant artemisia annua in the yunnan province in china. sphingomonas endophytica scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas endophyticahuang et al. 2012 type strain cctcc aa 209035, jcm 17394, yim 65583