legionella norrlandica legionella norrlandica legionella norrlandica is a bacterium from the genus legionella which has been isolated from a biopurification system. legionella norrlandica scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: legionellales family: legionellaceae genus: legionella species: l. norrlandica binomial name legionella norrlandicarizzardi et al. 2015 type strain atcc baa-2678, ccug 65936, leg 4237 iii, legn