 Image Number K7778-1 |
The dark, wavy, vertical line in the center of this micrograph is an infection tube of the fungus, Puccinia recondita, growing toward a leaf opening, or stoma.
Photo by Gilbert Ahlstrand.
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.