26 Jun 2022

Penicillium nigricans

A slow-growing fungus that produces a light gray to dark olive gray colony with a yellow to orange reverse, within twelve days, when incubated at 25oC (77oF). It is very common and is found worldwide. It has been isolated from soil, dunes, salt marshes, polluted and unpolluted water, plants, compost, rabbit dung, bird feathers, fruit and fruit juices. There have not been any reports of human infections.