FLORA OF VIETNAM
Polypodiaceae s.l.
Vittaria longissima

Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Quang Municipality, Tung Huong village, along Khe Mat stream around point 19°03′09″N 104°36′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.

Large humus epiphyte on shady big tree along river. Rare.

HLF 6892 21 March 2007.

Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.
Grant from Henry Luce Foundation.