"Cladothrix dichotoma" Cohn 1875 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Sphaerotilaceae genus Sphaerotilus species Sphaerotilus natans Name Homonyms Cladothrix dichotoma "Cladothrix dichotoma" Cohn 1875