Franklin (tree) Sierra Nevada of California. Four out of the ten largest trees by volume on the planet are said to be within the Giant Forest. The largest, the General Sherman tree, measures across the base. Franklin (tree) Franklin is a giant sequoia in Giant Forest, a sequoia grove where the largest tree in the world lives - the General Sherman. The Franklin tree is the eighth largest giant sequoia in the world. It was named by Wendell Flint after Benjamin Franklin. Nearby trees include the Washington Tree which was once the second largest tree in the world, but since it lost
Largest organisms over . The largest organism in the world, according to mass, is the aspen tree whose colonies of clones can grow up to five miles long. The largest such colony is Pando, in the Fishlake National Forest in Utah. Another form of flowering plant that rivals Pando as the largest organism on earth in breadth, if not mass, is the giant marine plant, "Posidonia oceanica", discovered in the Mediterranean near the Balearic Islands, Spain. Its length is about . It may also be the oldest living organism in the world, with an estimated age of 100,000 years. Green algae are