Tree adaptability (IMAGE) University of Wyoming Caption Botanic gardens grow tree species from all around the world. This photo of the serene Japanese Garden at the Denver Botanic Gardens includes several species of pine, spruce and fir trees. Arboreta, such as botanic gardens, were used in research led by Daniel Laughlin, a professor in the UW Department of Botany, to understand the range of temperatures that trees can tolerate. Credit Daniel Laughlin Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.