winogradskyella flava winogradskyella flava winogradskyella flava is a gram-negative and aerobic bacterium from the genus of winogradskyella which has been isolated from the alga sargassum fulvellum from the south sea in korea. winogradskyella flava scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. flava binomial name winogradskyella flavalee et al. 2017 type strain sfd31