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Occurrence of Pinus sibirica Du Tour in Da Hinggan Mountains


 Based on the morphological and anatomical characteristics of vegetative or-
gans,as well as the ecology and geography, Zhao Guang-yi et al. have reported
the occurrence of siberian pine(Pinus sibirica) in the Da Hinggan Mountains
continuously since 1981, that arouses disputing, The pine cones of the disputing
pine were collected in the Mangui Forestry Bureau in the Da Hinggan Mountains,
Northeast China, in autumn of 1989. By comparing it with those of Pinus sibirica
and P. koraiensis it is proved that the disputing pine in the Da Hinggan Mountains
is P. sibirica, but not P. koraiensis. And the 30-year old wrong name of “Mohe
Korean Pine” has been corrected. A map showing the distribution of the P.
koraiensis and P. sibirica in the DaHinggan Mountains and its adjacent regions
was drawn according to the 10-year investigation.


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