English: Notes on the mosses of Bryaceae in Japan II. Intergeneric hybrid sporogene between Bryum argenteum var. lanatum Bry. eur. and Brachymenium exile
Japanese: 日本産ハリガネゴケ科蘚類の研究 II. ワタゴケとホソウリゴケとの属間雑種胞子植物について