Houphan Prov., Hem Distr., Nacoc village, Pu He mountain around point 20°10'36.7''N 103°11'39.2''E. Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by shaly limestone at elev. 700-900 m a.s.l. Short creeping lithophytic fern on wet mossy shady rocks along small rocky stream. Not rare.
Record creation: 2026-01-26 Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01323692 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01323692