Gone with the wind: Far-flung pine pollen still potent miles from the tree. National Evolutionary Synthesis Center, April 5, 2010. Pollen from the loblolly pine—the most commonly planted tree in the southern US—can still germinate after drifting long distances, which may make it difficult to contain transgenic trees. Picked up by Science News, the Raleigh News and Observer, and the Durham Herald-Sun.