agromyces ulmi agromyces ulmi agromyces ulmi is a gram-negative, aerobic, xylanolytic and non-motile bacterium from the genus of agromyces which has been isolated from sawdust of the tree ulmus nigra from salamanca in spain. agromyces ulmi scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: agromyces species: a. ulmi binomial name agromyces ulmirivas et al. 2004 type strain dsm 15747, jcm 13315, lmg 21954, xil01