A phytosociological study of vascular epiphytes was carried out in a restinga forest in the northeast of Rio Grande do Sul, Brazil. A total of 60 host trees (forophytes) were sampled using the centered quadrants method, including trees at least 10cm in diameter at chest height. The recorded vascular epiphytes belong to 8 families, 20 genera and 31 species, with Orchidaceae and Bromeliaceae being the most diversified. Several additional species were registered in the forest stand of approximately one hectare. Frequency values of vascular epiphytes formed a gradually decreasing sequence of species, being Microgramma vacciniifolia (Polypodiaceae) and Tillandsia aëranthos(Bromeliaceae) the most important. The diversity index of Shannon doi estimated (H '= 2.990), using the frequency on individual forophytes as a measure of quantitative participation (pi). The number of vascular epiphytes on individual forophytes varied from 4 to 16 species, presenting a polymodal distribution and a higher modal value of eight species.
