types of fungus leading to toenail fungus
Types of Toenail Fungus. Medical experts have classified toenail fungus into 4 basic types on the basis of the type and extent of fungal infection. They are as the following:-. Distal Subungual Onychomycosis is perhaps the most common form of Toenail fungal infection that is caused by a fungus named Trichophyton rubrum.