most common type of pine tree in pennsylvania
Photo by Kim Nix. A pine is a coniferous trees in the genus Pinus, in the family Pinaceae. There are about 115 species of pines worldwide, although different authorities accept between 105 and 125 species. Pines are native to most of the Northern Hemisphere.Pines are evergreen and resinous trees (rarely shrubs). The smallest pine is Siberian Dwarf Pine and Potosi Pinyon, and the tallest pine is Sugar Pine.ines are native to most of the Northern Hemisphere. Pines are evergreen and resinous trees (rarely shrubs). The smallest pine is Siberian Dwarf Pine and Potosi Pinyon, and the tallest pine is Sugar Pine.