FLORA OF LAOS. Orchidaceae. Biermannia calcarata Aver. Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33'02.2"N 103°39'56.3"E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Epiphyt on small trees and shrubs in shady place. Locally common. LA-VN 972 3 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.
Coordinates (geographic position):19° 33′ 2.2″ N, 103° 39′ 56.3″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055092 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055092