FLORA OF VIETNAM. Orchidaceae. Biermannia calcarata Aver. Quang Tri Prov., Huong Hoa Distr., Huong Viet municipality around point 16°51'06"N 106°34'38"E. Partially destroyed primary broadleaved evergreen forest on very steep rocky slopes of remnant hills composed with solid highly eroded crystalline limestone at elev. about 600-700 m a.s.l. Epiphyte on shady rocky slope. Flowers light yellow. Occasional. CPC 2962 8 May 2011. Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.
Coordinates (geographic position):16° 51′ 6″ N, 106° 34′ 38″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055094 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055094