<prompt> Pityriasis versicolor is caused by-E. floccosumM. gypseumM. furfurT. tonsurans  <response>: Tinea Versicolor or Pityriasis Versicolor: It is a chronic recurrent condition involving stratum corneum of skin, caused by a lipophilic fungus - Malassezia furfur. Malassezia furfur is a lipophilic fungus that is found on skin. Clinical manifestation: Characterized by scaly patches of hypo to hyper pigmentation of skin Areas rich in sebaceous glands are commonly involved neck, chest or upper arms. E. floccosum - cause Tinea unguium M. gypseum - cause Ectothrix infection T. tonsurans and T. violaceum- cause Endothrix 