* Most of the names refer to phyla, except in a few cases where some of the
smaller taxonomic groups are shown. Capitalized names written across lines are
groups including all forms above the name.
NOTE: Charts I, II, and III were prepared by Helen A. Stafford, Reed College,
Portland, Oregon. For further information see "A Guide to the Nomenclature and
Classification of Organisms/' by Dr. Stafford, in Vol. I of this treatise.
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