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USFS Logo Research Data Archive
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Displaying items 1 - 4 of 4
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Black canker of aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Belair Lake, near Red Feather Lakes, Roosevelt N.F.; CO; United States
Description: Black canker of aspen
Date: 1/1960

Black canker of aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Belair Lake, near Red Feather Lakes, Roosevelt N.F.; CO; United States
Description: Black canker of aspen
Date: 1/1960

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

Ponderosa pine infected by Peridermium filamentosum
more info/bigger image
Collection: RMRS Archive Images
Keywords: limb rust
forest pathology
Organisms: ponderosa pine
Location: Near Red Feather Lakes, Roosevelt N.F.; CO; United States
Description: Ponderosa pine infected by Peridermium filamentosum
Date: