FLORA OF VIETNAM. Orchidaceae. Biermannia calcarata Aver. Quang Binh Prov., Tuyen Hoa Distr., Lam Hoa municipality, Hung village, around point 17°56'10"N 105°49'15"E. Highly degraded primary and secondary evergreen broadleaved forest on very steep rocky slopes of remnant limestone hills composed with highly eroded marble-like crystalline limestone at elev. 150-200 m a.s.l. Epiphyte on mossy shrubs along rocky ridge. Locally common. CPC 2478 29 April 2011. Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.
Coordinates (geographic position):17° 56′ 10″ N, 105° 49′ 15″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055095 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055095