FLORA OF VIETNAM
Polypodiaceae s.l.
Certomium sp.

Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Bai Dinh village around point 17°45′28”N 105°46′14”E.

Very steep rocky slopes and rocky tops of highly eroded marble-like solid remnant limestone mountains at elevation 600-700 m a.s.l.

Lithophytic fern in crevices of mossy shady rocks and on shady shelves of vertical limestone cliffs. Not common.

HAL 12236 4 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.