"Agrobacterium kieliense" Ahrens 1968 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Ahrensiaceae genus Ahrensia species Ahrensia kielensis Name Homonyms Agrobacterium kieliense "Agrobacterium kieliense" Ahrens 1968