weissella oryzae weissella oryzae weissella oryzae is a gram-positive bacterium from the genus of weissella which has been isolated from fermented japanese rice from tochigi prefecture in japan. weissella oryzae scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: lactobacillaceae genus: weissella species: w. oryzae binomial name weissella oryzaetohno et al. 2013 type strain dsm 25784, jcm 18191, sg25