Sparce pines i eveinig on the Onon River right bank being an edge of a great pine forest called Tsasucheiskii Bor which is offensive on the steppe. It is formed by Pinus sylvestris krylovii (Serg. et Kondr.) Busik, an endemic pine-tree subspecies resistent to a very arid climate of Dahurian Steppes, which grows locally on the banks of the Onon River middle flow and is used for forestation of steppes in Transbaikalia and China.

5 km upstream of the village Nizhnii Tsasuchei, Onon district, Chita Region, S Transbaikalia, Siberia, Russia. 16th July 1997. O. Kosterin