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. Creeping lithophytic fern. Not rare.
Record creation: 2026-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203705 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203705