"Rhodobacterium capsulatum" Molisch 1907 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Nitrobacteraceae genus Rhodopseudomonas species Rhodopseudomonas palustris Name Homonyms Rhodobacterium capsulatum "Rhodobacterium capsulatum" Molisch 1907