Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain (elevation from Pha Luong village at 930 m to Mt. peak at 1860 m a.s.l.). Primary cloud evergreen broad-leaved forest on flat Pha Luong summit composed with eroded red-brown sandstone at elevation 1750-1850 m a.s.l. around point 20°40’23.0N 104°37’52.0E. Terrestrial fern in shady place near mountain top. Not rare.
Record creation: 2026-03-01, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203761 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203761