books.google.co.nz - The genus Pinus is of great ecological and commercial importance and it is notable for its vast geographic range and the sheer area that its various species occupy. Its natural range is almost exclusively in the northern hemisphere, where it often forms the dominant vegetation cover. However, it is also...http://books.google.co.nz/books/about/Pines_of_silvicultural_importance.html?id=DB8dCbmgQ74C&utm_source=gb-gplus-sharePines of silvicultural importance
