"The Streptococcus anginosus group (also part of the Streptococcus milleri group) comprise a subgroup of viridans streptococci which are gram-positive, catalase-negative bacteria."
"S. anginosus: has two subspecies"
"S. anginosus subsp. anginosus"
"S. anginosus subsp. whileyi"
"S. intermedius"
"S. constellatus: three subspecies"
"S. constellatus subsp. constellatus"
"S. constellatus subsp. pharyngis"
"S. constellatus subsp. viborgensis"
"A characteristic of the S. anginosus group that sets them apart from other pathogenic streptococci such as S. pyogenes (group A Streptococcus) and S. agalactiae (group B Streptococcus) is their ability to cause abscesses."
"lung: Streptococcus anginosus pulmonary infection"
"CNS: Streptococcus anginosus CNS infection"
"S. anginosus: has two subspecies"
"S. anginosus subsp. anginosus"
"S. anginosus subsp. whileyi"
"S. intermedius"
"S. constellatus: three subspecies"
"S. constellatus subsp. constellatus"
"S. constellatus subsp. pharyngis"
"S. constellatus subsp. viborgensis"
"There are three distinct main streptococcal species and several subspecies:"