Fam. Polypodiaceae s.l.

Adiantum caudatum ?

N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, village Na Bo, around point 21º56'44''N, 106º05'09''E, at elevation 300-700 m a.s.l. Primary broad-leaved evergreen closed wet forest on very steep slopes and cliffs of rocky ridges and mesae composed with white solid marble-like crystalline limestone. Terrestrial and lithophytic fern on steep rocky slope. Very common.

No HAL 4938 27 May 2004

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