Polypodiaceae s.l. Phymatosorus sp. S. Vietnam, Prov. Kontum. Evergreen primary forest on W slope of Ngoc Linh mountain system at 1300 m alt. Elevation from Dak Mek river to Long Nam village.
Epiphyte. Very common, dominant at 1200-1300 m alt. VH 828 17.03.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev