Abiotrophia

Abiotrophia and Granulicatella (previously referred to as nutritionally variant streptococci, produces small (alpha or non haemolytic colonies are small (≤0.5 mm). They require pyridoxal or cysteine for growth.

Gram positive cocci.

Source - Derbyki, https://microbewiki.kenyon.edu/index.php/File:Abiotrophiadefectiva.jpg