Notes on Orthotrichum (Orthotrichaceae, Bryopsida) in Japan

抄録

A total of 29 species, Orthotrichum affine, O. alpestre, O. bartramii, O. consimile, O. crenulatum, O. crispifolium, O. diaphanum, O. erubescens, O. flowersii, O. griffithii, O. gymnostomum, O. microcarpum, O. ohioense, O. pallens, O. patens, O. philibertii, O. pulchellum, O. pumilum, O. pusillum, O. revolutum, O. rogeri, O. schofieldii, O. sinuosum, O. speciosum, O. sprucei, O. stellatum, O. stramineum, O. subpumilum, and O. tenellum, are added to the Japanese Orthotrichum flora. Orthotrichum amabile Toyama, previously considered a synonym of O. erubescens Müll. Hal., is recognized as a good species. Orthotrichum ibukiense Toyama is proposed as a new synonym of O. cupulatum Brid.