FLORA OF VIETNAM. Huperzia phlegmaria (L.) Roth. S. Vietnam, Prov. Khanh Hoa, distr. Khanh Son, 41 km to NE from Dalat. city. Closed primary wet broadleaved cloud forest on E macroslope. of Hon Giao mt. ridge at 1500-1600 m alt. (N 12° 11', E 108° 43'). Epiphyte. Not rare. No VH 4177  22.04.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.Q. Binh, N.T. Hiep