FLORA OF VIETNAM Urticaceae Elatostema “ macrophylla” Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25’29”N 105°19’36” E. Primary broadleaved forest on steep rocky slopes o f remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l. Terrestrial herb in wet open place along trail. Very common. C P C 1538 25 March 2011 Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P .K .Loc, P.V.The, N .T.Vinh, T.B.Ngan, N.Tap, D .D.Dao, V.T.Ha.