FLORA OF VIETNAM
Polypodiaceae s.l.
Polystichum sp.

Dien Bien Prov., Muong Cha Distr., Mua Ngai Municipality, around point 21°52′19”N 103°10′01”E.

Remnants of primary evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 1150-1250 m a.s.l.

Terrestrial and lithophytic fern on very steep rocky slope of N exposition. Not common.

CPC 1090 18 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.