"Holospora elegans" Hafkine 1890 Dataset NCBI Taxonomy Classification kingdom Pseudomonadati phylum Pseudomonadota class Alphaproteobacteria order Holosporales family Holosporaceae genus Holospora species Holospora elegans Name Homonyms Holospora elegans "Holospora elegans" Hafkine 1890 Holospora elegans (ex Hafkine 1890) Preer and Preer 1982