Pando is an ancient quaking aspen tree (Populus tremuloides ... to 40 blue whales or three times the world's largest single-stem tree — California's General Sherman giant sequoia (Sequoiadendron ...

All of these structures arose from a single aspen seed, often in the very ... Interspecific variability of stem photosynthesis among tree species. Tree Physiology 27, 53-61 (2007).

While it is not one of the tallest, Pando is the world's largest tree and one of the oldest living organisms, which is one of the reasons it is so fascinating and worth seeing in person. The clonal ...