Pseudallescheria boydii

Pseudallescheria boydii is a species of fungus classified in the Ascomycota. It is associated with some forms of eumycetoma, maduromycosis and pseudallescheriasis. Typically found in stagnant and polluted water, it has been implicated in the infection of immunocompromised and near-drowned pneumonia patients. Its asexual (anamorphic) form is Scedosporium apiospermum. Treatment of infections with P. boydii is complicated by its resistance to many of the standard antifungal agents normally used to treat infections by filamentous fungi.