agrococcus citreus agrococcus citreus agrococcus citreus is a bacterium from the genus agrococcus which has been isolated from a wall painting from the chapel of herberstein in styria. agrococcus citreus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: agrococcus species: a. citreus binomial name agrococcus citreuswieser et al. 1999 type strain dsm 12453