Bark on the jack pine is dark to medium gray, thin and flaky when young and features thick plates in older trees. This tree growth irregularly and can produce between one and three whorls of side ...

The highest recorded elevations of Jeffrey pines provide new evidence of a warming climate in the High Sierra. UC Davis ...

This week, we meet the scotch pine, or Pinus sylvestris, which is not native to Indiana, but has been widely planted in the state for Christmas tree production. This conifer, also known as Scots pine, ...