winogradskyella undariae winogradskyella undariae winogradskyella undariae is a bacterium from the genus of winogradskyella which has been isolated from the algae undaria pinnatifida from wando. winogradskyella undariae scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: winogradskyella species: w. undariae binomial name winogradskyella undariaepark and yoon 2014 type strain ws-my5