Cryptogams play an important role in maintaining the quality of habitat. These include lower plants such as algae, bryophytes, lichens and pteridophytes. Cryptogams are the least explored plants in the SujanpurTihra region of Himachal Pradesh. The floristic studies to explore cryptogams of this region were conducted and two hundred specimens of cryptogams were collected from eighteen localities. These specimens were identified on the basis of available literature after detailed morphological investigations at laboratory. A total of forty five species of cryptogams were identified which includes nine algae, ten bryophytes, seven lichens and nineteen pteridophytes. Most of these cryptogams are medicinally important.