Curvularia species

A rapidly-growing fungus that produces a gray, brown, or black colony with a dark reverse, within five days, when incubated at 25oC (77oF). The hyphae, conidiophores, and conidia are pigmented olivaceous-brown (dematiaceous). It is found worldwide and is very common. It can be isolated from the air, plants (especially grasses), sand dune soil, and soil. Rarely, it can be an opportunistic human pathogen causing allergic reactions, eye (corneal) infections, mycetoma, and infections in immunocompromised patients.

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