<prompt> Peripheral Collarette of scales is a feature of:P. roseaP.veriscolorLichen planusPityriasis rubra pilaris  <response>: Clinical features of Pityriasis rosea is the rash which consists of circular or oval pink macules with a collarette of scale and is more prominent on the trunk than on the limbs. Ref: Kumar and Clarks Clinical Medicine by Parveen June Kumar, Michael L. Clark, Elsevier Saunders, 2005, Page 1335; Thieme Clinical Companions Dermatology By Wolfram Sterry, Walter Burgdorf, Ralf Paus, 2006, Pages 279-280 