"Wildflowers and Grasses of Kansas: A Field Guide was published in 2005 and included full descriptions and color photographs of 323 common and conspicuous wildflowers, grasses, and grasslike plants found in the state. This updated and enlarged edition contains descriptions and accompanying color photos of 99 additional species. Six species found in the original edition have been removed. Four were trees that are covered in more detail and with multiple identification photographs in Trees, Shrubs, and Woody Vines in Kansas (Haddock and Freeman, 2019) . . . . . The primary focus is on native species, though selected frequently observed naturalized species have been included . In the 16 years since Wildflowers and Grasses of Kansas: A Field Guide was published, there have been advances in our understanding of the evolutionary relationships of vascular plants. Studies of DNA, macro- and micromorphology, cytology, phenology, ecology, and biogeography have impacted our understanding of the flora of Kansas. Consequently, an important component of this edition has been to update the nomenclature and circumscribe taxa along lines that are more consistent with current knowledge"--
