FLORA OF VIETNAM
Ophioglossaceae
Ophioglossum virginianum s.l.

Son La Prov., Thuan Chau Distr., Ban Lam Municipality, Ban Lam village, around pick mountain Hua Bay, 21°12′45″N 103°46′44″E.

Secondary grasslands and open secondary shrubs on very steep mountain slopes composed with clay shale at elev. 1500-1700 m a.s.l.

Terrestrial ephemeroid fern. Rare.

HAL 9683 10 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.