Vietnam, Quang Binh Prov., Minh Hoa Distr., Dan Hoa municipality, Chuong Lon mountain, Vietnam-Laotian border, about 6 km to N of Cha Lo borders station, around point 17°44′04″N 105°46′53″E.
Primary broad-leaved forest on very steep slopes and rocky cliffs of remnant mountain composed with solid marble-like highly eroded limestone at elevation 400-700 m a.s.l.
Lithophytic creeping herb on shelves of vertical cliff. Common.
HAL 11686 19 April 2008 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang
Coordinates (geographic position):17° 44′ 4″ N, 105° 46′ 53″ E ±1000 mRecord creation: 2019-07-27, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01058223 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058223