Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive
You are here: Home > Search Results


*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 5 of 5
10 | 20 | 50 per page
Canker on 15" aspen which has been girdled and killed in 5 years. pen bark moistened to show them in poening position, scale is mm
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Pyramid Dist., Routt N.F.; CO; United States
Description: Canker on 15" aspen which has been girdled and killed in 5 years. pen bark moistened to show them in poening position, scale is mm
Date: 6/1961

Nectria-like canker on 9'' aspen at 10' with callus removed
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Pyramid Guard Station, Routt N.F.; CO; United States
Description: Nectria-like canker on 9'' aspen at 10' with callus removed
Date: 6/1961

Nectria-like canker on 9'' aspen at 10' with callus removed
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Pyramid Guard Station, Routt N.F.; CO; United States
Description: Nectria-like canker on 9'' aspen at 10' with callus removed
Date: 6/1961

Canker on 11'' aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Vaughn Lake Campground, Routt N.F.; CO; United States
Description: Canker on 11'' aspen
Date: 6/1961

Hypoxylon pruinatum
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Routt N.F.; CO; United States
Description: Hypoxylon pruinatum
Date: 5/25/1955