"Dicrospirillum rubrum" Enderlein 1925 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Rhodospirillales family Rhodospirillaceae genus Rhodospirillum species Rhodospirillum rubrum Name Homonyms Dicrospirillum rubrum "Dicrospirillum rubrum" Enderlein 1925