Abstract
This paper deals with the taxonomic descriptions of family Orthotrichaceae (bryophytes) from Muzaffarabad Division Azad Jammu and Kashmir (Western Himalaya). Many field surveys were conducted during March, 2015 to December, 2017 for the collection of bryophytes. During the study, two genera namely Orthotrichum and Zygodon with 9 species of Orthotrichaceae which are Orthotrichum obtusifolium, Orthotrichum Striatum, Orthotrichum rogeri, Orthotrichum tenellum, Orthotrichum anomalum, Orthotrichum affine, Orthotrichum pulchellum, Orthotrichum urnigerum and Zygodon forsteri were investigated. All these species of this family were first time reported from Muzaffarabad Division, Azad Jammu and Kashmir. Their general distribution, taxonomical descriptions and key to the identification have also been provided.