FLORA OF VIETNAM
Asteraceae
Ageratum conyzoides

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La
forest enterprise (14°39′N, 108°25′E). Open secondary short tall
grassland along river at elev. 1100 m. Herb up to 0.5 m hg. Flowers
dull light blue. Very common. Commonest weed all over the area.

VH 5472 20.04.2000

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6383-98)

Collectors: L.Averyanov, P.H.Hoang, D.X.Du, N.T.Vinh