Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, to the EEN of Bai Dinh village around point 17°46’34”N 105°48’56”E. Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation about 700-800 m a.s.l. Terrestrial fern on rocky shady slope. Rare.
Record creation: 2026-02-25, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203613 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203613