Rosaceae Juss. Sorbus watti Koehne S. Vietnam, Prov. Kontum. Short tree and shrub primary association on top of Ngoc Gua peak of Ngoc Linh mountain system at 2560 m alt. Tree near 5-6 m high. Common on top of peak. VH 1274 09.04.1995 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