Since 1981 many specimens have been collected and examined by the authors. The problematic and valuable taxa are studied and noted. 36 genera are discussed, of which eleven genera are new additions to the bryoflora of Taiwan. They are Blindia, Cirriphyllumy Campyliadelphusy Cvno-dontium, Distichium, Hygrohypnum. Orthotheciumy Sphaerotheciella, Splachno-bryum, Pterigynandrum and Hampeella. Distichophyllum pseudo-malayense sp. nov.，Rhaphidostichum stissophyllum comb. nov. and Fissidens crenulatus var. pursellii stat. nov. are new to science. Other 25 species and 3 varieties are reported for the first time in Taiwan. They are Acroporium alto-pungens, Aerobryidium aureo-nitensy Didymodon nigrescensy Encalypta rhaptocarpa, Ento-dontopsis anceps、Fabronia ciliaris，F. matsumurae，Fissidens crenulatus、F. crenulatus var. elmeri, F. rupicola, F. kinabaluensis F. crassinervis, F. flabellulus, F. ganguleeiy F. leptopelma, F. mangarevensis, Forsstroemia cryphacoides, Leucodon exalatatuSy L. sinensis, Plagiomnium confertidens, Plagiothecium curvifolium, Pterobryopsis gedehensis, Racomitrium heterostichum var. sudeticum, Schwetsch-keopsis fabronia, Tayloria hornschuchii, Tortula norvegicaf Daltonia angustifolia var. gemmiphylla and Aptychella brevinervis. Moreover Boulaya miHenii, Horikawaea nitida, Macromitrium uraiense are reconfirmed to be distributed in Taiwan. Discussions are made on 7 noteworthy species, including Hymenostylium recurvirostre, Fissidens japonico-punctatus、F. ceylonensis, F. mitteniiy F. laxus, F. esquirolii and Campylopus gradient us.