N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Yen Lac, vicinities of Yen Lac village (N 22ø44' E 105ø50'). Secondary wet short tall grasslands on alluvial shale valley between limestone remnant karst ridges at 1000-1050 m elev. Herb 20-25 cm hg. Flowers reddish-brown, later whitish. Very common. Commonest weed all over the area.
No CBL 1329 14 April 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: P.K.Loc, P.H.Hoang, Averyanov L.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317145 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317145