One tree saw no growth at all from 1945 to 1954, but after 30 years its growth had returned to normal. Hartl presented the findings at the European Geosciences Union General Assembly in Vienna ...

Norway maple (Acer platanoides) was introduced by botanist John Bartram of Philadelphia from England to the U.S. in 1756.It has been planted on farms and in towns for its shade, hardiness, and ...

That’s according to a new study in Frontiers in Plant Science, which found strange blue rings in samples of trees and shrubs from the northern treeline in Norway. “Blue rings look like unfinished ...