[1] It belongs to the Family Gymnoascaceae,[2] the colonies usually have a yellowish-white or pale grey colour, and grows slowly.

In the aerial mycelium, arthroconidia are formed and the shape of cells will turn from cylindrical to round.

[3] Onychocola canadensis has been reported in several clinical reports as an agent of toenail infection, mostly in temperate areas such as Canada, Australia, a European countries, occurs more frequently in female elderly.

Infected nails often appear thick and distorted in shape, and usually in a yellowish green colour,[4] studies have found Griseofulvin[5] and Itraconazole could be an effective treatment for onychomycosis, however a confirmed effective treatment is unclear.

Rare cases have been reported in which O. canadensis has caused superficial dermatomycosis on palms and soles.