FLORA OF VIETNAM. Fam. Urticaceae. Debregeesia sp. N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Lao Va Chai,. vicinities of Ngan Chai village, 6 km to W of Yen Minh town (N 23°07'. E 105°08'). Secondary wet mossy forest on steep slopes of karst. remnant limestone ridge at 1200-1400 m elev. Shrub 3-4 m hg in open. place. Not rare. No CBL 1966   01 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.