An organism was isolated after growing 26 days.Colonial morphologic appearance revealed heaped, wrinkled, moist, and yeastlike colonies.As the culture aged, colonies became covered with short aerial mycelium that turned from tan to brown.This organism is most likely:

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Colonies of P.brasiliensis grow very slowly (21 to 28 days)and are heaped, wrinkled, moist, and yeastlike in appearance.With age, colonies may become covered with a short aerial mycelium and turn from tan to brown.The surface of colonies is often heaped with crater formations.

An Organism Was Isolated After Growing 26 Days