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
Albino redwood Albino redwood An 'albino' redwood is a redwood tree which is unable to produce chlorophyll, and so has white needles instead of the normal green. It survives by obtaining sugar through the connections between its roots and those of neighboring normal redwood(s), usually the parent tree from whose base it has sprouted. (Sap exchange through roots is a general phenomenon among redwoods.) About 400 are known. They can be found in both Henry Cowell Redwoods State Park and Humboldt Redwoods State Park, with eleven trees in the first. However, the exact locations are not publicized to protect the rare trees.