This study deals with the genus Radula (Hepaticae) from the high Andean forests and paramos of Colombia, above 2500 m, and is based on the determination of Colombian collections gathered by H. Bischler and by A. M. Cleef and collaborators. A key to the 8 species known from the area is given and descriptions and ecological distribution data of R. ramulina Taylor, R. sonsonensis Stephani, R. nudicaulis Stephani, R. episcia Spruce and R. frondescens Stephani. R. ramulina Taylor var. microphylla Jans is described as new.