Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Terrestrial fern on shady wet slope. Not common.
15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1646.
Record creation: 2026-02-10, Galina Savich, PhotoScan D2Citation: Specimen LE 01318632 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318632