Middle part. Upper course of Malaya Margaritovka River. Picea forest with admixture of Acer ukurunduense Trautv. & C.A. Mey., Ulmus laciniata (Trautv.) Mayr, Tilia, Pinus koraiensis Siebold & Zucc., Abies nephrolepis (Trautv. ex Maxim.) Maxim., Betula costata Trautv., etc. on steep slope to stream. Side of boulder in part shade.