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USFS Logo Research Data Archive
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Displaying items 1 - 20 of 24
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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

Melampsorella broom on alpine fir
more info/bigger image
Collection: RMRS Archive Images
Keywords: broom rust
forest pathology
Organisms: fir
Location: Lost Park, Routt N.F.; CO; United States
Description: Melampsorella broom on alpine fir
Date: 7/1959

Broom of unknown cause on Engelmann spruce
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: engelmann spruce
Location: Lost Park, Routt N.F.; CO; United States
Description: Broom of unknown cause on Engelmann spruce
Date: 7/1959

Tree 335 with F. pini sporophores 0' to 20'
more info/bigger image
Collection: RMRS Archive Images
Keywords: spruce defect study
forest pathology
Organisms: spruce
Location: Routt N. F.; CO; United States
Description: Tree 335 with F. pini sporophores 0' to 20'
Date: 7/1958

Tree 314 with crook in first log
more info/bigger image
Collection: RMRS Archive Images
Keywords: spruce defect study
forest pathology
Organisms: spruce
Location: Routt N. F.
Description: Tree 314 with crook in first log
Date: 7/1958

Aspen frost crack
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Aspen frost crack
Date: 8/25/1955

Cryptochaete polygonia sporophore in aspen bark
more info/bigger image
Collection: RMRS Archive Images
Keywords: sporophore
forest pathology
Organisms: aspen
Location: Collected Routt N.F.; CO; United States
Description: Cryptochaete polygonia sporophore in aspen bark
Date: 8/11/1955

Hypoxylon pruinatum
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: aspen
basidiocarp
Location: Collected Routt N.F.; CO; United States
Description: Hypoxylon pruinatum
Date: 8/11/1955

Aspen rough-bark margin
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Aspen rough-bark margin
Date: 6/1955

Aspen frost crack
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Aspen frost crack
Date: 6/1955

Fomes igniarius
more info/bigger image
Collection: RMRS Archive Images
Keywords: decay
forest pathology
Organisms: aspen
Location: Routt N.F.; CO; United States
Description: Fomes igniarius
Date: 6/1955

14'' cross section of aspen with black heart rot
more info/bigger image
Collection: RMRS Archive Images
Keywords: decay
forest pathology
Organisms: aspen
Location: Routt N.F.; CO; United States
Description: 14'' cross section of aspen with black heart rot
Date: 6/1955

Aspen frost crack
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Aspen frost crack
Date: 5/25/1955

Aspen frost crack
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Aspen frost crack
Date: 5/25/1955

Callused and bleeding frost crack 15 ' high on 12 '' aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Callused and bleeding frost crack 15 ' high on 12 '' aspen
Date: 5/25/1955

Rough bark margin on 12 '' aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: Rough bark margin on 12 '' aspen
Date: 5/25/1955

A frost crack thru rough bark margin on 12'' aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
forest pathology
Organisms: aspen
Location: Routt N. F.; CO; United States
Description: A frost crack thru rough bark margin on 12'' aspen
Date: 5/25/1955