Tinea nigra

Gupta AK, Chaudhry M, Elewski B. Tinea corporis, tinea cruris, tinea nigra, andpiedra. Dermatol Clin 2003 21 395-400. 

Martin AG, Kobayashi GS Superficial fungal infection Dermatophytosis, tinea nigra, piedra in Fitzpatrick TB, Eisen AZ, Wollf K, Freedberg IM, Austen KF (eds) Dermatology in General Medicine, ed 4. New York, McGraw-Hill, 1993, pp 2421-2451. 

Hortaea werneckii is a dimorphic black yeast which exclusively causes tinea nigra palmaris on one or both hands or on the sole. It is restricted to tropical, subtropical and mediterranean areas [80]. H. werneckii is halotolerant having its natural habitat in salty environments [306]. Complete sequences of the 18S rDNA (fig. 3) [89] as well as partial sequences of the 26S rDNA suggest a relationship of H. werneckii with the Dothideales. 

It is noteworthy, however, that two cases of tinea nigra caused by Clado-sporium wernecki were not cijred.° A teratogenesis study indicated that tolnaftate does not adversely affect rat or mouse fetal and postnatal de velopment. 5... 

Dermatophytes Tinea nigra of palms, white pildra of beard, etc. 

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