Fam. Polypodiaceae s.l.

Polystichum sp.

N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Kim Municipality, Rao Bun stream around point 18º23'39''N, 105º15'12''E. Primary broad-leaved evergreen closed wet forest on very steep shale slopes of

river canyon at elevation about 300 m a.s.l. Lithophytic fern on wet stream rocks. Very common.

No HAL 5005 2 May 2004

Collectors: P.K.Loc, L.Averyanov, P.V.The, N.T.Vinh.