FLORA OF LAOS. Urticaceae. Pilea sp. Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23'41.3"N 104°13'44.5"E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l. Lithophytic and terrestrial herb to 1 m tall on mountain top. Very common. LA-VN 1137 7 April 2015. Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.
Coordinates (geographic position):20° 23′ 41.3″ N, 104° 13′ 44.5″ E ±1000 mRecord creation: 2019-01-17, Leonid Averyanov, ILCE-7RCitation: Specimen LE 01042137 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01042137