FLORA OF VIETNAM
Polypodiaceae s.l.
Asplenium sp.

Ha Giang Prov., Bac Me Distr., Thuong Tan municipality.

Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1200-1285 m a.s.l. around point 22°38′19.0″N 105°17′06.5″E.

Lithophytic fern along shady stream. Common.

16 November 2014 CPC 7475
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz