Talaromyces flavus (Anamorph: Penicillium vermiculatum)
A rapidly-growing fungus that produces a yellow colony within fourteen days, when incubated at 25oC (77oF). Ascomata are produced in a yellow or pinkish layer. Ascospores are broadly ellipsoidal, spinulose, and yellow. It has worldwide distribution and is more commonly isolated from warmer climates. It can be isolated from soil, mangrove swamps, salt water, leaf litter, wood chips, municipal waste, garden compost, grain and vegetable seeds, and pecans. There have not been any reports of human infections.