FLORA OF VIETNAM. Orchidaceae. Biermannia calcarata Aver. Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25'29"N 105°19'36"E. Primary broad-leaved forest on steep rocky slopes of remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l. Canopy epiphyte on tall tree on rocky slope. Occasional. CPC 1592c 25 March 2011. Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha. Fl. et coll. under cultivation at August 2013 and September 2014. Flowers odorless, white. L.Averyanov. Photos.
Coordinates (geographic position):20° 25′ 29″ N, 105° 19′ 36″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055097 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055097