FLORA OF VIETNAM
Aspleniaceae
Asplenium prolongatum

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality Nam Dai village,
Ba Be National Park around point 22025′ 651′'N 1050 35′ 613′'E.
Primary closed evergreen broad-leaved forest on top of remnant
mountains composed with crystalline highly eroded marble-like
limestone at elevation 704 m a.s.l with dominant of Nghien (Burretiodendron).
Fern on rock. Spore brown, very common.
HLF 569. 21 Dec. 2002.

Coll. Nguyen Tien Hiep, Jacinto Regalado, Duong Van Xy, Bang Tien Sy
Grant from Henry Luce Foundation.