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. Terrestrial and lithophyte fern with fronds up to 1.5 m lg in shady place. Common. CBL 2104 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 01167352 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01167352