FLORA OF VIETNAM
Polypodiaceae s.l.
Polystichum sp.

N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality,
vicinities of Kim Son village (N 21°48′ E 105°54′), 23.3 km to 18° of
Thai Nguyen city. Lithophytic fern on shady limestone cliffs along
stream at 40-80 m a.s.l. Not common.

NTH 3782 23 Oct. 1999

Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.