This depends on how you classify "largest." Do you mean height or root structure? IF height, I would think that redwoods would take the cake; IF you mean root structure, then the aspen wins...
The world's largest tree, as calculated by volume, is the General Sherman, it is a Sequoiadendron giganteum, one of three species of trees that are known as Redwoods or Sequoias.
The General Sherman tree in California's Sequoia National Park is considered the largest living tree known to man by volume. It is a giant sequoia tree and is estimated to be around 2,200 years old.
It is what is commonly known as a Giant Redwood.
Australia's largest native amphibian is the white-lipped tree frog, which is also known as the giant tree frog. It is the world's largest tree frog, growing from 10-14 cm. The cane toad, which can grow larger, is an introduced species.
In New Zealand there is a tree known by Maori as Tane Mahuta this is the LARGEST Kauri tree in the country. It is 45.2 feet in girth, its trunk is 58.0 feet, with a total heigh of 168feet (As of 1971 however it is still New Zealands Largest Kauri tree.)
the largest tree is kauri
The largest cocoa tree in the world is believed to be in the Dominican Republic. It is known as the “Gigante” and is estimated to be over 100 years old. The tree produces cocoa beans that are used in the local chocolate industry.
A Tulip Tree has the largest leaves.
the largest tree is kauri
The largest tree in the world is the California Redwood
The General Sherman is the largest tree in the world.
The silver tree fern is New Zealand's largest tree fern.