Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Posibacteria
Firmicutes (Gram-positive bacteria)
Bacilli
Lactobacillales
Streptococcaceae
Streptococcus
Streptococcus gordonii
Streptococcus gordonii str. challis
Streptococcus gordonii str. challis substr. ch1 (21399208)