FLORA OF VIETNAM Polypodiaceae s.l. Dawallia griffithiana Hook.
N.Vietnam, Thanh Hoa Prov., Quan Hoa Distr., Phu Le Municipality, Hang village, around point 20°32′19′'N, 105°05′03′'E. Primary evergreen seasonal broad-leaved closed submontane forest on tops of rocky ridge composed with crystalline marble-like highly eroded limestone at elev. 750-800 m. Lithophyte and epiphyte. Occasional. HAL 3722 01 October 2003