Quang Ninh Province, Van Don District, Minh Chau Commune, Bai Tu Long National Park, Ba Mun protection sector|, Ba Mun Island, around point 21º04’33’’N 107º35’28’’E. Secondary broad-leaved evergreen forest with bamboo on rocky sandstone slopes at elevation 10–50 m a.s.l.
Creeping lithophytic fern on wet rocky slope along small shady forest stream. Common.
21 May 2025, Cuong Huu Nguyen, Ha Van Dang, Ly Van Nguyen, Nam Van Duong, Tuan Thanh Tran, Hai Xuan Cao, L. Averyanov, T. Maisak, AL4424 (NHC217).
Record creation: 2025-09-16 Galina Savich, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01282796 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01282796