Article

The ai,s of this study are the description of the bryophyte diversity on representative grasslands in Serra da Estrela (Portugal) and their dependence relative to different management actions and vegetation types. The inventory of bryophytes from major grassland assemblages was carrying out from 1992 to 2000. The identification of all taxa and the registration of quantitative data, of the most important meadow communilies of Natural Park of Serra da Estrela, will conlribute to monitor future alterations in such communities. A list of 109 bryophyte taxa (27 hepatics and 92 mosses) from 52 plots is presented and percentage of occurrence of each species is given for each type and subtype o f grassland. Bryofloristic survey and species preferences werc analyzcd using TWINSPAN analysis.