lysinibacillus varians lysinibacillus varians lysinibacillus varians is a gram-positive, rod-shaped, spore-forming and motile bacterium from the genus of lysinibacillus. lysinibacillus varians scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: lysinibacillus species: l. varians binomial name lysinibacillus varianszhu et al. 2014 type strain gy32