FLORA OF VIETNAM Polypodiaceae s.l. Polystichum sp.
Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°09′32′'N, 107°35′18′'E.
Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l.
Terrestrial fern on shady slope along rocky stream. Rare.