methylobacterium haplocladii methylobacterium haplocladii methylobacterium haplocladii is a gram-negative and non-spore-forming bacteria from the genus of methylobacterium which has been isolated from the moss haplocladium microphyllum in japan. methylobacterium haplocladii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: methylobacterium species: m. haplocladii binomial name methylobacterium haplocladiitani and sahin 2013 type strain 87e, dsm 24195, nbrc 107714