FLORA OF VIETNAM Polypodium amoenum (J.Sm. ex Hook. et Grev.) Mett.
N. Vietnam, Prov. Thai Nguyen, distr. Dai Tu, vicinities of Tam Dao town, NE macroslope of Tam Dao ridge at 950-1000 m alt. (N 21°27′ E 105°38′). Closed wet evergreen broad-leaved primary forest on very steep mt slope. Terrestrial and epilitic fern on steep shadow slopes and rocky bluffs. Not common. VH 5003 31.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)