There have been more than 640 species of bryophytes recorded for Tasmania, comprised of 282 hepatic species (Ratkowsky 1987) and 361 moss species (Dalton et al. 1991). This number of species is significant when compared to other groups ofland plants and, therefore, the bryophytes represent a major component of the flora (table 1). Since the publication of an annotated checklist of Tasmanian mos...