FLORA OF VIETNAM Polypodiaceae s.l. Asplenium cordifolium
N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 500-600 m a.s.l.
Secondary open shrubs on wet rocky slope of N exposition. Terrestrial and lithophytic fern on mossy places. Not common.