SPECIES OF REDWOOD There are two related species of the sequoias or redwoods and there has been confusion in the naming of them. Both are members of the Sequoia family, both are redwoods. The larger species, which grows in scattered groves in the Sierra at an altitude of 4,000 to 8,000 feet, usually mixed with other species, has been called Sequoia gigantea (giant sequoia), or big tree, or Sierra redwood. The smaller species, which grows from San Francisco north to southern Oregon, apparently dependent on the fogs that roll in from the Pacific Ocean, has been called Sequoia sempervirens, or merely redwood, or coast redwood. The name "redwood" is not good, for the giant sequoias are also redwoods; but the term "coast redwood" does distinguish this tree from the larger species of giant sequoia or Sierra redwood. The California State Park Commission and the State Forester suggest that the two species be named the Sierra redwood and the coast redwood, which would make the correct distinction. Nevertheless, since the national park is called Sequoia, and since the larger species has long been called sequoia or giant sequoia, that name will be used here, and

the smaller species will be called the coast redwood, even though they are both members of Sequoia, and both are redwoods.4