Streptococcus pyogenes
Streptococcus pyogenes
Streptococcus pyogenes
Colindale Symons
(species unknown)
F. Griffith strain Symons
(species unknown)
Facklam SS-573
(species unknown)
Streptococcus pyogenes
Symons
(species unknown)
typing strain T9
(species unknown)