FLORA OF LAOS Polypodiaceae s.l. Pseudodrynaria coronans (Wall. ex Mett.) Ching
Luang Prabang prov., Pon Xay distr., Nam Bo village, around point 19°57′23.5′'N 102°26′16.4′'E.
Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 650-750 m a.s.l.
Creeping epiphyte and lithophyte on mossy rocky mountain top. Common.