Azolla Small 320×184 Medium 640×368 Large 1024×588 Download Tiff Original 2400×1379 | (506.0 KB) Description Plant body of small overlapping scales. Keywords botanical, leaf, plant Galleries Trees: A Source: Don E. Eyles, A Guide and Key to the Aquatic Plants of the Southeastern United States (Wahington D.C.:U.S. Government Printing Office, 1944) 26