Title: Lichen genus Usnea (Parmeliaceae, Ascomycota) in Uttarakhand, India
Abstract: Usnea is a widespread fruticose lichen popularly known for its medicinal properties across the world.Though it has been mentioned in many floristic studies reported from Uttarakhand, India, no detailed taxonomic account has been conducted for the past two decades.The present study was based on specimens deposited in lichen herbarium of National Botanical Research Institute (LWG), personal herbarium of D.D. Awasthi (AWAS) and