"Ectorhizobium quercum" Ma et al. 2023 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae genus Ectorhizobium species Ectorhizobium quercum Name Homonyms Ectorhizobium quercum "Ectorhizobium quercum" Ma et al. 2023