FLORA OF VIETNAM
Polypodiaceae s.l.
Pteridium aquilinum

N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Quang Vinh
(N 22°51′ E 106°14′), about 21 km from Cao Bang town to the N. Open
primary coniferous forest (with Pseudotsuga brevifolia) along tops of
remnant limestone ridge at 850-900 m alt. Fern with climbing fronds up
to 3 m lg. Commonest dominante on open slopes at 600-1000 m alt
(especially after forest fire). CBL 1066 10 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)

Collectors: Averyanov L., N.Q.Binh, N.T.Hiep, N.X.Tam.