FLORA OF VIETNAM Plants of Nam Xuan Lac Species/Habitat Araceae Pothos sp. Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, Phia Khao Village, on limestone slopes around Lung Trang site, 22°17′32″ N, 105°31′09″ E, 800 m. In logged primary closed evergreen submontane broad-leaved forests Vine-lithophyte