Ophioglossaceae

Ophioglossum nudicaule L.

Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Quang Municipality, Tung Huong village, along Khe Mat stream around point 19º03’09’’N 104º36’53’’E at elevation about 300-350 m a.s.l. Lowland closed secondary evergreen forest on steep slopes along rocky stream valley composed with stratified solid shale and sandstone. Lithophytic herb on crevices of river bluffs. Not common.

HLF 6888 21 March 2007. Photo.

Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.

Grant from Henry Luce Foundation.