Rhodospirillum rubrum (Esmarch 1887) Molisch 1907 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Rhodospirillales family Rhodospirillaceae genus Rhodospirillum species Rhodospirillum rubrum Name Homonyms Rhodospirillum rubrum Rhodospirillum rubrum S1 Rhodospirillum rubrum (Esmarch 1887) Molisch 1907