"Clostridium ihumii" Merhej et al. 2015 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Eubacteriales family Clostridiaceae genus Clostridium species Clostridium ihumii Name Homonyms Clostridium ihumii "Clostridium ihumii" Merhej et al. 2015