
|
An Aquatic Plant Identification Manual for Washington's Freshwater Plants
|
|
Opposite: Two leaves arranged on opposite sides of each node. See also alternate and whorled leaf arrangements. Illustration from Aquatic Plant Identification and Herbicide Use Guide, Technical Report A-88-9. U.S. Army Corps of Engineers Waterways Experiment Station. Used with permission |
|
|
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.