The first detailed comparative and anatomical study of aquatic flowering plants, first published in 1920.

A full-color, photographic field guide to all of the submergent and floating-leaf aquatic plants of the Upper Midwest region of the United States. Covers 150 sp

Contamination of the different components of environment through industrial and anthropogenic activities have guided new eras of research. This has lead to deve

One of the problems of using plants in environmental studies is finding current information. Because plants play a key role in environmental studies, from the g