N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Du Gia, E slopes of Phu Tha Ca mountain system at 1400-1500 m elev. (N 23°56′ E 105°13′). Primary evergreen broadleaved very wet mountain forest on shale very steep slopes. Lithophyte fern in shady place. Not rare. CBL 2106 03 May 1999 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: P.K.Loc, P.H.Hoang, Averyanov L.
Coordinates (geographic position):23° 56′ N, 105° 13′ E ±1000 mRecord creation: 2022-01-18, Galina Savich, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01167301 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01167301