Colorado Flora
Eastern Slope, Fourth Edition A Field Guide to the Vascular Plants
Ronald C. Wittmann is Museum Associate at the University of Colorado Museum of Natural History. He became an expert on the flora of the state collaborating closely with Dr. William Weber over the past 30 years in the field and laboratory. Books include Colorado Flora: Western Slope (UPC 2001), Colorado Flora: Eastern Slope (UPC 2001), Catalog of the Colorado Flora (UPC 1992), and Bryophytes of Colorado (Pilgrims Process 2010).
