RADULA (RADULACEAE, MARCHANTIOPHYTA) IN THE SOUTH PACIFIC

Abstract

  A revision of Radula in the South Pacific is presented. Twenty four species are recognized: R. acuta Mitt., R. amentulosa Mitt., R. decurrens Mitt., R.farmeri Pearson, R. fissifolia Steph., R.formosa (Meissn. ex Spreng.) Nees, R. iwatsukiana K.Yamada, R.javanica Gottsche, R. kitagawae K.Yamada, R. lacerata Steph., R. longispica Steph., R. nigra Pearson, R. novocaledonica Hürl. & K.Yamada, R. novocaledoniensis K.Yamada, R. nymanii Steph., R. parvitexta Steph., R. reflexa Nees & Mont., R. rhombiloba Steph., R. retroflexa Taylor, R. rupicola K. Yamada. R. scariosa Mitt., R. tjibodensis Goebel, R. ventricosa Steph., and R. vieillardii Steph. Photomicrographs of the ventral view of the plants are given for all species in this region. A key to the species in the region is provided.