N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22º54'59''N, 106º31'44''E, at elevation 800-850 m a.s.l.
Remnants of primary evergreen broad-leaved forest along tops of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone.
Record creation: 2020-07-19, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01087193 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087193