Copyright © 2017 American Academy of Pediatrics. From: T Red Book® 2015, 2015 Figure Legend: This photomicrograph reveals a number of macroconidia of the dermatophytic fungus Epidermophyton floccosum. E floccosum is known to be a cause of dermatophytosis leading to tinea corporis (ringworm), tinea cruris (jock itch), tinea pedis (athlete's foot), and onychomycosis or tinea unguium, a fungal infection of the nail bed. Courtesy of Centers for Disease Control and Prevention Date of download: 12/22/2017 Copyright © 2017 American Academy of Pediatrics. All rights reserved.