Robert H. Mohlenbrock taught botany at Southern Illinois University Carbondale for thirty-four years. Since his retirement in 1990, he has served as senior scientist for Biotic Consultants, teaching wetland identification classes around the country. Among his more than sixty books are Vascular Flora of Illinois and Field Guide to U.S. National Forests.
"The sunflower or daisy family includes many of Illinois' most beloved and recognized wildflowers, and so it is a pleasure to see them treated by Bob Mohlenbrock with such care and precision. This book will prove a useful guide for amateurs and professionals alike."--Peter H. Raven, coauthor of Environment, ninth edition "Flowering Plants: Asteraceae, Part 3 provides students and amateur and professional botanists with a concise and up-to-date understanding of this important group of species in the rich and highly diverse flora of the state."--Richard P. Wunderlin, coauthor of Flora of Florida, volumes I, II, III, and IV