methylobacterium gnaphalii methylobacterium gnaphalii methylobacterium gnaphalii is a gram-negative, motile and non-spore-forming bacteria from the genus of methylobacterium which has been isolated from leaves from the plant gnaphalium spicatum in okayama in japan. methylobacterium gnaphalii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: methylobacterium species: m. gnaphalii binomial name methylobacterium gnaphaliitani et al. 2012 type strain 23e, dsm 24027, nbrc 107716