Abstract:Two new records (Chionostomum hainanensis and Plagiomnium tezukae ) of Vietnamse mosses and three new records (Mastopoma scabrifolium, Rhaphidostichum piliferum and Thuidium deicatulum ) of Thailand mosses are report. Mastopoma scabrifolium (Broth. in Moell. ) B. C. Tan & Tran Ninh is Proposed as a new combination.