FLORA OF VIETNAM
Polypodiaceae s.l.
Colysis sp.

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 broadleaved evergreen dry closed forest on
very steep slopes of remnant karst limestone ridge at elev. 500-600 m
a.s.l. Lithophytic fern on shady cliffs. Common.

NTH 3638 19 Oct. 1999

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