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 - 3 of 3
10 | 20 | 50 per page
Ponderosa pine cankers active 5 years after spaying with acti-dione
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
western gall rust
Location: Black Hills N.F.; SD; United States
Description: Ponderosa pine cankers active 5 years after spaying with acti-dione
Date: 7/7/1965

Rust galls on ponderosa pine, probably white spored form
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
western gall rust
Location: Red Feather Lakes, Roosevelt N.F.; WY; United States
Description: Rust galls on ponderosa pine, probably white spored form
Date: 1959

Hip canker on Pinus ponderosa caused by Peridermium harknessii, western gall rust
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
western gall rust
Location:
Description: Hip canker on Pinus ponderosa caused by Peridermium harknessii, western gall rust
Date: