S.Vietnam, Thua Thien Hue Prov., Xuan Loc Distr., Bach Ma National Park, along Dong Truoi ridge and S slopes around point 16°14'11''N 107°44'28''E. Broad-leaved evergreen primary closed forest on very steep granite slope at elev. 800-900 m a.s.l. Lithophytic fern on shady wet waterfall cliff. Locally abundant.
Record creation: 2026-03-03, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203834 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203834