The following new species and new combinations are proposed for plants occurring in Bhutan or adjacent parts of India or China (Xizang): Catunaregam longispina (Link) Tirveng., Galium hoffmeisteri (Klotzsch) Ehrend. & Schönb.-Tem. ex R.R. Mill, Leptodermis amoena Springate, L. ludlowii Springate, Oldenlandia erecta (Manilal & Sivar.) R.R. Mill, Ophiorrhiza longii J.R.I. Wood, Psydrax kingii (Hook.f.) Bridson & Springate. Rubia hispidicaulis D.G. Long. A description of Psydrax kingii is provided. A lectotype is designated for Neanotis gracilis (Hook.f.) W.H. Lewis. Notes are provided on Leptodermis lanceolata Wall., L. kumaonensis R. Parker and L. stapfiana Winkler. The correct author citation of Rubia manjith is discussed.