N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Quang Vinh. (N 22°51' E 106°14'), about 21 km from Cao Bang town to the N. Open. secondary broadleaved forest with bamboos along tops of remnant. limestone ridge at 800-850 m alt. Epilite and epiphyte. Common. No CBL 1014 09 Dec. 1998. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 6300-98). Collectors: Averyanov L., N.Q.Binh, N.T.Hiep, N.X.Tam.
Coordinates (geographic position):22° 51′ N, 106° 14′ E ±1000 mRecord creation: 2019-05-30, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054682 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054682