Thanh Hoa Prov., Thuong Xuan Distr., Van Xuan Municipality, Hang Cao village, Xuan Lien Natural Reserve.
Remnants of primary and secondary broad-leaved evergreen forest on highly eroded rocky limestone hills at elevation 100-200 m a.s.l. around point 19°50′47.2″N 105°14′42.7″E.
Epiphyte on mossy trees on shady, very steep, rocky slope. Locally common.
Record creation: 2020-10-06, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01070071 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01070071