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USDA Forest Service - Region 2 - Rocky Mountain Region Archive's Images

Organization: USDA Forest Service
Country: United States

358 Images of 124 Subjects View Subject List View Image Descriptions View Thumbnails

358 Images    

Page: 1/6     Display:


1441083
1441083

western tent caterpillar
Malacosoma californicum
Pupa(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442191
1442191

harvesting
Equipment
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441141
1441141

mountain pine beetle
Dendroctonus ponderosae
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441101
1441101

conifer sawfly
Neodiprion autumnalis
Larva(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442003
1442003

selection thinning
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442189
1442189

selection thinning
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441042
1441042

western spruce budworm
Choristoneura freemani
Larva(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442192
1442192

harvesting
Equipment
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442108
1442108

Phomopsis blight
Phomopsis juniperivora
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442116
1442116

nitrogen deficiency
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442008
1442008

mechanical strip thinning
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442049
1442049

witches broom rust
Gymnosporangium nelsonii
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442028
1442028

Scots pine
Pinus sylvestris
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441006
1441006

mountain pine beetle
Dendroctonus ponderosae
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442052
1442052

Dutch elm disease
Ophiostoma ulmi
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441131
1441131

oystershell scale
Lepidosaphes ulmi
Infestation
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441037
1441037

western spruce budworm
Choristoneura freemani
Larva(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441008
1441008

mountain pine beetle
Dendroctonus ponderosae
Galleries
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442235
1442235

Gambel oak
Quercus gambelii
Tree(s)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442264
1442264

white pine blister rust
Cronartium ribicola
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442164
1442164

Engelmann spruce
Picea engelmannii
Foliage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442141
1442141

black rot
Ceratocystis fimbriata
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442148
1442148

thinning (stand)
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442149
1442149

thinning (stand)
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442147
1442147

thinning (stand)
Stand
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442168
1442168

bristlecone pine
Pinus aristata
Foliage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442166
1442166

Engelmann spruce
Picea engelmannii
Cones
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442142
1442142

Phyllosticta leaf spots
Phyllosticta spp.
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442057
1442057

Dothichiza canker
Dothichiza populea
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442040
1442040

comandra blister rust
Cronartium comandrae
Sign
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442203
1442203

frost and winter injury (general)
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442238
1442238

Gambel oak
Quercus gambelii
Flower(s)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442230
1442230

columbine
Aquilegia spp.
Flower(s)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441023
1441023

spruce beetle
Dendroctonus rufipennis
Egg(s)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442146
1442146

white heartwood rot
Phellinus tremulae
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441039
1441039

western spruce budworm
Choristoneura freemani
Larva(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441009
1441009

mountain pine beetle
Dendroctonus ponderosae
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441007
1441007

mountain pine beetle
Dendroctonus ponderosae
Galleries
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442019
1442019

frost and winter injury (general)
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441102
1441102

conifer sawfly
Neodiprion autumnalis
Larva(e)
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441011
1441011

mountain pine beetle
Dendroctonus ponderosae
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442250
1442250

blue spruce
Picea pungens
Cones
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441108
1441108

pinyon spindlegall midge
Pinyonia edulicola
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442063
1442063

ash heart rot
Perenniporia fraxinophila
Fruiting Bodies
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442267
1442267

comandra blister rust
Cronartium comandrae
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442053
1442053

brown felt blight
Herpotrichia juniperi
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442169
1442169

bristlecone pine
Pinus aristata
Cones
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442045
1442045

western gall rust
Endocronartium harknessii
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442058
1442058

Dothichiza canker
Dothichiza populea
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442240
1442240

Gambel oak
Quercus gambelii
Bark
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442067
1442067

Phytophthora root rot
Phytophthora cinnamomi
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442059
1442059

Dothichiza canker
Dothichiza populea
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441128
1441128

pine needle scale
Chionaspis pinifoliae
Infestation
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442139
1442139

black rot
Ceratocystis fimbriata
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442044
1442044

western gall rust
Endocronartium harknessii
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442140
1442140

black rot
Ceratocystis fimbriata
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442248
1442248

Engelmann spruce
Picea engelmannii
Foliage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442134
1442134

sunscald
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1442048
1442048

limb rust
Peridermium filamentosum
Symptoms
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

1441025
1441025

spruce beetle
Dendroctonus rufipennis
Damage
USDA Forest Service - Region 2 - Rocky Mountain Region Archive

Page: 1/6