N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be. National Park around point 22°25'36"N 105°37'50"E. Heavily logged primary evergreen dry broad-leaved forest on very steep. slopes and cliffs composed with crystalline highly eroded marble-like. limestone along Ba Be lake at elevation 200-250 m a.s.l. Lithophytic and piphytic shrub up to 1 m hg in open places. Very. common. HLF 592 22 Dec. 2002. Coll. Phan Ke Loc, L.Averyanov, Hoang Van Chat, Do Hoang Chung,. Nguyen Manh Hung, Vu Hong Van, Nguyen Tien Vinh, Mai Van Xinh. Grant from Henry Luce Foundation.
Coordinates (geographic position):22° 25′ 36″ N, 105° 37′ 50″ E ±1000 mRecord creation: 2019-05-09, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054482 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054482