is a cosmopolitan and anthropophilic dermatophyte commonly isolated in certain regions such as
in Mexico, in other countries of Latin America and in large cities in the
Pathogenicity and Health Effects
is a causative
agent of infections of the scalp and of the glabrous skin or nails.
Infection of animals is rare.
Growth rate is slow and texture of colonies ranges from suede – like, to
powdery or velvety; and
Surface colony color is white, beige, pale yellow, sulfur yellow, or brown
while reverse is yellow to dark brown, or red brown.
Microconidia are numerously present and with varying shapes and sizes from
pyriform to club – shaped, or balloon – shaped; and
Macroconidia are rarely present, with smooth, thin walls and are