26 Jun 2022

Phialophora americana (Phialophora verrucosa)

A slow growing fungus that produces an olivaceous-black colony within fourteen days, when incubated at 25oC (77oF). It has worldwide distribution and has been isolated from wood, wood products, soil, air, wasps= nest, birds= nest, and bird droppings. It is a plant pathogen but has been found to the cause of chromoblastomycosis and corneal ulcers in man.