FLORA OF LAOS Polypodiaceae s.l. Pseudodrynaria coronans (Wall. ex Mett.) Ching
Vientiane prov., Kasi distr., between Pa Chao and Nam Ken villages, Pa Chao Mt., around point 19°19′50.6′'N 102°21′20.5′'E.
Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1100 m a.s.l.
Creeping epiphyte and lithophyte on open mossy rocks. Common.