Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29'39.3"N, 105°50'24.6"E, primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 350-430 m a.s.l., lithophytic herb on shady rocks near hill top, not common, 9 May 2018, L. Averyanov et al., AL 820. Herbarium specimen prepared in 19.04.2019, L. Averyanov, AL 820.1.
Record creation: 2021-11-10, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01089650 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01089650