Dark grains =fungi mycetoma | Madurella mycetomatis (Sahelian Africa, Middle East, India) Madurella grisea (South America) Leptosphaeria senegalensis (Mauritania, Senegal) Leptosphaeria tompkinsii (Exceptional) Pyrenochaeta reomeroi (Rare) Exophiala jeanselni (Rare) |
Red grains =bacterial mycetoma | Actinomadura pelletieri (West Africa) |
White and yellow grains | Actinomadura madurae (Cosmopolitan) Streptomyces somalienis (Desert and subdesertic regions) Nocardia spp (Tropical humid regions) |
White grains | Pseudallescheria budii (Quite rare, tropical and temperate regions) Acremonium spp (Rare) Fusarium spp (Rare) Neotestudina rosatii (Exceptional) Aspergillus spp (Exceptional) Dermatophytes (Rare) |