Dwarf pine (Pinus mugo) is a successful pioneer tree, but also an invader of the subalpine belt in Central-European mountains. In the Hrubý Jeseník Mts. (Czech Republic), dwarf pine was introduced at ...

State environmental officials Wednesday discovered infestations of a fast-moving forest pest in small trees on Long Island, raising concerns about the fate of a rare stand of dwarf pines on the East ...