Vietnam, Quang Binh Prov., Bo Trach Distr., Tan Trach Municipality, about 1.5 km to SE of A Rem village (17º23'32''N, 106º12'46''E). Primary closed coniferous forest (with Calocedrus rupestris) on steep slopes and on tops of rocky ridge composed with solid marble-like highly eroded stratified crystalline limestone at elevation about 750-900 m a.s.l. Lithophyte and epiphyte (Calocedrus rupestris, Podocarpus neriifolius)on shady mossy vertical cliff. Very common. No HAL 6134 25 January 2005. Photo. Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.
Coordinates (geographic position):17° 23′ 32″ N, 106° 12′ 46″ E ±1000 mRecord creation: 2019-05-30, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01054931 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054931