N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, Na Bo. village, around point 21°56'44"N, 106°05'09"E, at elevation 300-600. m a.s.l. Primary selectly logged broad-leaved evergreen forest on very steep. slopes and cliffs of rocky ridge composed with white solid marble-like. crystalline limestone. Lithophyte on vertical cliff. Occasional. No HAL 5419 29 May 2004. Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.
Coordinates (geographic position):21° 56′ 44″ N, 106° 5′ 9″ E ±1000 mRecord creation: 2019-05-09, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054477 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054477