西伯利亚红松(Pinus sibirica)在大兴安岭林区的新分布,经近10年调查研究与争论,已于1986年12日,由东北林业大学组织鉴定。该松树属第三纪孑遗成分,第四纪冰期时避难于阿尔泰山地。冰期后,在不到二万年的短暂时期里,它向外迅速扩张,现已西越乌拉尔,东临雅库梯,北入极圈(68.5°N),在 Pinus sibirica (Pinus sibirica) in Daxinganling forest area of ​​the new distribution, after nearly 10 years of investigation and debate, in 1986, 12, organized by the Northeast Forestry University. The pine is a Tertiary relic composition, Quaternary Glacier refuge in the Altai Mountains. After a glacial period, it expanded rapidly outward within a short period of less than 20,000 years. It is now the Urals of Western Uxmal, east of Yakut, and the northern polar circle (68.5 ° N)