 Image Number K9159-1 |
Technician Keith Kohler (left) and weed scientist Bob Hartzler measure vegetative characteristics of common milkweed found along an Iowa roadside.
Photo by Peggy Greb.
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.