FLORA OF VIETNAM
Polypodiacea s.l.

N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality,
vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55°
of Bac Can city. Primary evergreen broadleaved closed forest on very
steep rocky slope of karst remnant limestone ridge at elev. 600-700 m
a.s.l. Creeping lithophytic vine 10-20 cm lg on shady vertical cliff.
Rare.

NTH 3721 20 Oct. 1999

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