Contains 28,659 entries. Sources for this index include the three largest U.S. Government ethnobotany databases, the U.S. National Park Service NPFlora plant inventory lists, and 18 leading works on the subject. `What is the point of Johnson's shoddily produced (there is no table of contents), unillustrated (except for a gratuitous photo of the author), outrageously expensive, and mindless, humorless, and unattractive work?' Rudolf Schmid, Taxon