Submitting Weed Samples

When possible, include the entire plant, with the root system.  Please include information about where you found the plant (county in Iowa), what sort of conditions it was growing in, and how many of the plants you observed in the area.

Wrap your weed in dry paper toweling or newspaper and mail it to:

Plant and Insect Diagnostic Clinic
327 Bessey Hall
Iowa State University
Ames, IA 50011
(515) 294-0581