methylocystis bryophila methylocystis bryophila methylocystis bryophila is a gram-negative, aerobic, facultatively methanotrophic and non-motile bacterium species from the genus of methylocystis which has been isolated from sphagnum peat from the großer teufelssee in germany. methylocystis bryophila scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylocystaceae genus: methylocystis species: m. bryophila binomial name methylocystis bryophilabelova et al. 2013 type strain dsm 21852, h2s, vkm b-2545