CRI is a 501c3 Non-Profit Organization






Our book is finished!

After 15 years and over 100,000 hours of work, the book is finished and it's massive —
8.5" x 11” and 1350+ pages, with a spine of 2.75" and weighing in at 9 pounds, 12 ounces!


A tome for the ages — featuring nearly 2000 illustrations and 3200 maps, and the scholarship is off the scale! Shown here are views of the book’s laminated cover and the spine — we think you will agree it is gorgeous.


Flora of the Chicago Region:
A Floristic and Ecological Synthesis

will be available for purchase in mid April at It will also be available late April at the Morton Arboretum bookstore. The book will retail for approximately $125.

Cover photo of Bluff Springs Fen is courtesy of Mike MacDonald.