Michael J Ursin

Life in and around freshwater wetlands;: A handbook of plant and animal life in and around marshes, bogs, and swamps of temperate North America east of the Mississippi,

Life In and Around the Salt Marshes;: A handbook of plant and animal life in and around the temperate Atlantic coastal marshes,

Life in and around freshwater wetlands;: A handbook of plant and animal life in and around marshes, bogs, and swamps of temperate North America east of the Mississippi,