Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Van Municipality, Ta Lo village, around point 16°23'44''N, 107°09'15''E at elevation about 1000-1150 m a.s.l. Secondary wet closed broad-leaved forest on very steep mountain slopes and edges of ridges composed with shale. Terrestrial fern up to 2.5 m tall on very steep slope along trail. Not common.
Record creation: 2026-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203712 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203712