N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Luu Ngoc, vicinities of Lung Mu village (N 22°47′ E 106°18′), about 14 km from Cao Bang town to the N. Primary coniferous and mixed semideciduous open forest (with Pseudotsuga brevifolia) along tops of limestone ridge at 800 m alt. Epilite herb on open rocks. Very common. CBL 1222 13 Dec. 1998 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98) Collectors: N.T.Hiep, N.Q.Binh, P.K.Loc, N.X.Tam, Averyanov L.
Coordinates (geographic position):22° 47′ N, 106° 18′ E ±1000 mRecord creation: 2019-11-02, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01059599 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01059599