FLORA OF VIETNAM. Fam. Urticaceae. Pellaea sp. ?. N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh. (N 22°44' E 105°50'). Primary semideciduous broad-leaved forest on. steep slopes and bluffs of remnant karst limestone ridge at 1250-1300. m elev. Terrestrial and lithophyte herb. Flowers white. Very common. Codominante of herb forest stratum. No CBL 1269 13 April 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):22° 44′ N, 105° 50′ E ±1000 mRecord creation: 2019-01-17, Leonid Averyanov, ILCE-7RCitation: Specimen LE 01042014 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01042014