chryseobacterium arachidiradicis chryseobacterium arachidiradicis chryseobacterium arachidiradicis is a gram-negative and rod-shaped bacteria from the genus of chryseobacterium which has been isolated from soil around a peanut (arachis hypogaea) in alabama in the united states. chryseobacterium arachidiradicis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. arachidiradicis binomial name chryseobacterium arachidiradiciskämpfer et al. 2015 type strain ccm 8490, cip 110647, 91a-612, lmg 27814