● Francis IM,Jochimsen KN,De Vos P,van Bruggen AH (2014). Reclassification of rhizosphere bacteria including strains causing corky root of lettuce and proposal of Rhizorhapis suberifaciens gen. nov., comb. nov., Sphingobium mellinum sp. nov., Sphingobium xanthum sp. nov. and Rhizorhabdus argentea gen. nov., sp. nov. Int. J. Syst. Evol. Microbiol.64, 1340-50.
