Abstract
Fissidens ellipticoides Brugg.-Nann. & Kürschner (sp. nov.) is described and illustrated. It is compared with the gametophytically similar species F. macrosporus Dix. and F. ellipticus Besch. Three species, F. bogosicus Müll. Hal., F. flaccidus Mitt. and F. taxifolius Hedw. are reported for the first time from the mainland of the Arabian Peninsula.