Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32'31.6'N 103°39'40.4'E. Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l. Terrestrial fern in shady place. Locally common.
Record creation: 2026-01-26 Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01318691 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318691