Streptomyces of granules in mycetoma caused by Actinomadura pelletieri
Brown to black- Madurella mycetomatis, madurella grisea, exophiala jeanselmei.
White to yellow- Nocardia asteroides, Nocardia brasiliensis, Actinomadura madurae, Streptomyces somaliensis, Scedosporium apiospermum.
Red
Yellow
Black
Brown