PATHOGENICITY:  Commonly considered a contaminant.
Vary rarely involved in phacohyphomycosis.

RATE OF GROWTH:  Rapid: matures within 5 days.

COLONY MORPHOLOGY:  Surface is dark brown to black, cottony. Reverse is black.

MICROSCOPIC MORPHOLOGY:  Septate hyphae, light to dark brown. Conidiophores are simple or branched and bent at points of conidial production, giving a zigzag appearance. Conidia are brown to black, smooth or rough, and round to oval (9-12 x 10-15 um), with transverse and longitudinal septations.