Boole (tree) the largest in Converse Basin Grove, was named around 1895 by A.H. Sweeny, a Fresno doctor, after Franklin A. Boole, a supervisor of the logging operation who spared the tree's life due to its great size. Before 1931, it was thought by many to be the largest tree in the world (although the General Grant Tree was more popularly known as the largest tree in the world at that time), but it is now known as the sixth largest tree, after five other giant sequoias: the General Sherman tree, the General Grant, the President tree, the Lincoln tree, and the
The Senator (tree) Senator that was planted near the playground. The name for the clone is "The Phoenix". A clone of the Senator was located, and currently is growing at the entrance to Big Tree Park. As of 1993, the Senator was estimated to be 3,500 years old, making it the 5th oldest tree in the world. The tree's volume had previously been estimated at , but a 2006 survey by Will Blozan of the Native Tree Society has measured the volume at well over , making The Senator not only the largest Bald Cypress in the United States, but also the largest