Asteraceae Dumort. Sonchus wallichianus DC. S. Vietnam, Prov. Kontum. Open wet places in secondary associations on N slope of Ngoc Linh mountain system at 1200 m alt. Herb up to 0.8 m high. Flowers yellow orange. Common weed at 1200-1400 m alt. VH 686 12.03.1995 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