File:Pinus sylvestris Arboretum Wirty 1911.jpg
Pinus sylvestris Arboretum Wirty 1911.jpg
Lienhard Schulz uploaded "File:Pinus sylvestris Arboretum Wirty 1911.jpg" {{Information| |Description= {{''Pinus sylvestris'' in the Arboretum Wirty (Poland) in 1911. In the source referred to as german ''Knollenkiefer'' (''Pinus sylvestris gibberosa'' ?).}} |Source=Page 349 in: L(udwig Bei...
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