S. Vietnam, Prov. Lam Dong, 8.5 km to S from Dalat city (N 11° 54′, E 108° 27′). Dry old open secondary coniferous forest with domination of Pinus kesiya along tops of mt. ridge at 1400 m alt. Terrestrial fern on dry steep slopes. Common. VH 2623 13.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, N.V. Duy, P.K. Loc