FLORA OF VIETNAM
Polypodiaceae s.l.
Tectaria devexa

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 500-550 m a.s.l.

Secondary shrubs on very steep mossy rocky slope of N exposition of rocky ridge composed with light gray solid marble-like highly eroded crystalline limestone along Quy Son River valley.

Lithophytic and terrestrial fern. Very common.

HAL 5758 15 June 2004

Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.