S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12°30′N, 108°30′E) to main peak of Chu Yang Sinh mt system (12°24′N, 108°26′E) along Dak Tour river (N slope). Primary closed mountain broad-leaved evergreen forest on very steep granite slopes along river canyon at elev. 1200-1300 m. Lithophytic creeping fern on wet mossy shady rocks in shady river valley. Not rare.
VH 6377 12.05.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)