FLORA OF VIETNAM
Polypodiaceae s.l.
Davallia sp.

Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, Ten Mountain, around mountain top, point 21°06′49”N 104°56′03”E.

Primary broad-leaved evergreen forest on steep mountain slopes composed with shale at elevation 1100-1250 m a.s.l.

Creeping lithophytic fern on mossy boulders and cliffs along rocky ridge edge. Common.

HAL 12806 18 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.