The ground damp winter climate continent (Df) and dry winter ground continent (Dw) is a short summer, but winter cold air mass that has covered a long period of time. I found wood such as pine, oak and Park in the North and Northwest of China.
The climate is temperate humid continental (Df) and cold, dry continental (Dw) a short summer. But with the winter cold air mass which has long covered oak and pine bush clover found in the area north and northwest of China.
Cold humid continental climate (Df) and cold dry continental (Dw) has a short summer, but the winter which has a cold air cover for a long time The juniper, oak, and bushings in the north and northwest of China