Fam. Polypodiaceae s.l.

Adianthum sp.

Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, in the vicinity of Sin Suoi Ho village at right side of Mien River, about 1 km to the N from point 23ø07'12''N, 105ø00'52''E. Primary coniferous forest with Pseudotsuga brevifolia on remnant highly eroded limestone ridge at elev. 1000-1200 m a.s.l. Terrestrial and lithophytic fern in open places. Occasional.

No HAL 1564 11 May 2002

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