26 Jun 2022

Penicillium rubrum

A rapidly-growing fungus that produces a yellow-green to gray-green colony with a deep red reverse, within seven days, when incubated at 25oC (77oF). It produces a dark red diffusible pigment. It has a worldwide distribution and has been isolated from soil, soil around human dwellings, caves, sand dunes, children=s sand pits, sewage sludge, compost, seawater, polluted fresh water, fruits and plants. There have not been any reports of human infections