FLORA OF VIETNAM Polypodiaceae s.l. Colysis digitata (Baker) Ching
Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, around point 17°41′25.6”N 105°53′40.4”E.
Humid closed primary evergreen broad-leaved forest on shady rocky slope of stream valley composed with solid crystalline limestone at elevation about 460 m a.s.l.
Epiphytic and lithophytic fern on shady rocky steep slope. Common.