Asteraceae Dumort. Conyza canadensis (L.) Cronq. S. Vietnam, Prov. Kontum. Open places in secondary associations on W slope of Ngoc Linh mountain system at 1200 m alt. Elevation from Dak Mek river to Long Nam village. Herb up to 1 high. Flowers yellowish white. Very common in open secondary associations at 1100-1400 m alt., common weed. VH 831 17.03.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev