phyllobacterium ifriqiyense phyllobacterium ifriqiyense phyllobacterium ifriqiyense is a gram-negative bacteria from the genus of phyllobacterium which was isolated from root nodules from the plants astragalus algerianus and lathyrus numidicus. phyllobacterium ifriqiyense scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: phyllobacteriaceae genus: phyllobacterium species: p. ifriqiyense binomial name phyllobacterium ifriqiyensemantelin et al. 2006 type strain cfbp 6742, lmg 22831, stm 370