chryseobacterium polytrichastri chryseobacterium polytrichastri chryseobacterium polytrichastri is a gram-negative, rod-shaped and non-spore-forming bacteria from the genus of chryseobacterium which has been isolated from the moss polytrichastrum formosum from the gawalong glacier from tibet in china. chryseobacterium polytrichastri scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. polytrichastri binomial name chryseobacterium polytrichastrichen et al. 2015 type strain cgmcc 1.12491, yg4-6, dsm 26899