Multiple choice Which of the following causes black painless spot on palms and soles? Tinea nigra - Hortaea werneckii Tinea unguium - Trichophyton species Tinea pedis - Trichophyton species Tinea versicolor - Malassezia species Tinea cruris - Epidermophyton floccosum Reveal answer Fill a bubble to check yourself A Correct answer Explanation Hortaea werneckii causes tinea nigra. Its symptoms appear on the palms and soles as a black painless spot.