FLORA OF VIETNAM
Polypodiaceae s.l.
Anthrophium sp.

N.Vietnam, Bac Kan Prov., Ba Be Distr., Nam Mau Municipality, Ba Be
National Park around point 22o23′08′'N 105o36′33′'E.

Selectly logged primary evergreen wet closed broad-leaved forest on
steep slopes composed with crystalline highly eroded marble-like
limestone at elevation about 250 m a.s.l. along deep stream canyon.

Lithophyte on vertical shady cliff. Occasional.

HLF 634 23 Dec. 2002.

Coll. J.Regalado, Nguyen Tien Hiep, L.Averyanov, Do Hoang Chung,
To Van Thao, Vu Hong Van, Nguyen Tien Vinh, Mai Van Xinh.
Grant from Henry Luce Foundation.