An Arkansas Florilegium is a late-flowering extension of the work initiated sixty years ago with University of Arkansas botanist Edwin B. Smith's first entries in his pioneering Atlas and Annotated List of the Vascular Plants of Arkansas. Soon after this seminal survey of the state's flora was published in 1978, Kent Bonar, a Missouri-born Thoreau acolyte employed as a naturalist by the Arkansas Park Service, began lugging the volume...