chryseobacterium vietnamense chryseobacterium vietnamense chryseobacterium vietnamense is a gram-negative and strictly aerobic bacteria from the genus of chryseobacterium which has been isolated from forest soil in vietnam. chryseobacterium vietnamense scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. vietnamense binomial name chryseobacterium vietnamenseli and zhu 2012 type strain cctcc m 209230, gimn1.005, nrrl b-59550