FLORA OF VIETNAM Polypodiaceae s.l. Pyrrosia adnascens
N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Hong Municipality, around point 18°34′06′'N, 105°11′40′'E. Heavily logged primary broad-leaved evergreen dry forest on steep mt slopes and along ridge composed with shale at elev 300-400 m a.s.l.