FLORA OF VIETNAM
Polypodiaceae s.l.
Polystichum 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 800-1000 m a.s.l.

Terrestrial fern on very steep shady rocky slope. Common.

HAL 12744 18 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.