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Remove Filters: USDA Forest Service - North Central Research Station Archive(X)

276 Images of 73 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1399091 mountain pine beetle Dendroctonus ponderosae
1406019 Diplodia blight Sphaeropsis sapinea stem canker
1406251 Hypoxylon cankers Hypoxylon spp.
1406112 bronze leaf disease Apioplagiostoma populi
1406139 wind storm damage
1406263 tamarack Larix laricina fall foliage, 19 years
1406275 pine wilt nematode Bursaphelenchus xylophilus
1406274 pine wilt nematode Bursaphelenchus xylophilus
1406265 tamarack Larix laricina fall foliage
1406257 cedar-apple rust Gymnosporangium juniperi-virginianae
1406264 tamarack Larix laricina
1406262 tamarack Larix laricina
1406114 bronze leaf disease Apioplagiostoma populi
1406097 Scleroderris canker of pine and spruce Gremmeniella abietina only red pine trees are damaged
1406106 bronze leaf disease Apioplagiostoma populi
1406136 tornado tornado damage, Lake Tomahawk
1406099 Scleroderris canker of pine and spruce Gremmeniella abietina Scleroderris moving up red pine
1406084 poplar gall borer Saperda inornata egg niche
1406023 Diplodia blight Sphaeropsis sapinea
1406056 Sirococcus blight of conifers Sirococcus conigenus
1406082 poplar gall borer Saperda inornata gall breakage
1406073 Lophodermium needle casts Lophodermium spp.
1406093 oak wilt Ceratocystis fagacearum
1406057 Sirococcus blight of conifers Sirococcus conigenus
1406052 Sirococcus blight of conifers Sirococcus conigenus
1406074 brown spot Alternaria alternata
1406072 Lophodermium needle casts Lophodermium spp.
1406075 brown spot Alternaria alternata needle symptoms
1406069 pine needle cast Lophodermium pinastri
1406064 pine needle cast Lophodermium pinastri winter burn and Lophodermium on 40,000 Northern Christmas trees, Holman Farm
1406054 Sirococcus blight of conifers Sirococcus conigenus pycnidia under fasical of unexposed needles
1406050 Sirococcus blight of conifers Sirococcus conigenus Northern Highlands State Forest
1406053 Sirococcus blight of conifers Sirococcus conigenus
1406026 Diplodia blight Sphaeropsis sapinea
1406025 Diplodia blight Sphaeropsis sapinea top rows sprayed with Benomyl, bottom rows not treated
1406001 pine needle rust Coleosporium asterum aecia
1406002 pine needle rust Coleosporium asterum aecia
1406104 bronze leaf disease Apioplagiostoma populi
1406071 pine needle cast Lophodermium pinastri
1406138 tornado tornado damage, Lake Tomahawk
1406133 sweet fern blister rust Cronartium comptoniae
1406003 pine needle rust Coleosporium asterum aecia
1406007 pine needle rust Coleosporium asterum
1406128 beech bark disease Nectria coccinea severe damage
1406041 Sirococcus blight of conifers Sirococcus conigenus
1406102 Scleroderris canker of pine and spruce Gremmeniella abietina Oneida County Forest
1406224 oyster mushroom Pleurotus spp.
1406225 oyster mushroom Pleurotus spp.
1406228 Dryad's Saddle Polyporus squamosus Chippewa National Forest
1406229 sulfur shelf Laetiporus sulphureus
1406222 sulfur shelf Laetiporus sulphureus
1406196 tar spot needlecast Davisomycella ampla
1406120 bronze leaf disease Apioplagiostoma populi
1406126 bronze leaf disease Apioplagiostoma populi
1406119 bronze leaf disease Apioplagiostoma populi
1406115 bronze leaf disease Apioplagiostoma populi
1406005 pine needle rust Coleosporium asterum
1406021 Diplodia blight Sphaeropsis sapinea
1406022 Diplodia blight Sphaeropsis sapinea
1406038 Sirococcus blight of conifers Sirococcus conigenus
1406006 pine needle rust Coleosporium asterum
1406090 Scleroderris canker of pine and spruce Gremmeniella abietina
1406018 Diplodia tip blights Diplodia spp.
1406078 Scleroderris canker of pine and spruce Gremmeniella abietina
1406070 pine needle cast Lophodermium pinastri
1406068 pine needle cast Lophodermium nitens
1406202 boreal owl Aegolius funereus
1406089 Scleroderris canker of pine and spruce Gremmeniella abietina
1406081 frost and winter injury (general) Spanish strain of scotch pine
1406044 Sirococcus blight of conifers Sirococcus conigenus
1406076 Scleroderris canker of pine and spruce Gremmeniella abietina
1406219 Ganoderma root and butt rot Ganoderma lucidum
1406256 red-belted fungus Fomitopsis pinicola
1406261 tamarack Larix laricina 19 years old
1406049 Sirococcus blight of conifers Sirococcus conigenus eastern white pine is resistant
1406203 northern saw-whet owl Aegolius acadicus
1406024 Diplodia blight Sphaeropsis sapinea
1406100 Scleroderris canker of pine and spruce Gremmeniella abietina
1406008 pine needle rust Coleosporium asterum telia growing on alternate host
1406259 red-belted fungus Fomitopsis pinicola
1406134 spruce broom rust Chrysomyxa arctostaphyli Fraser Experimental Forest
1406012 spruce needle rusts Chrysomyxa spp.
1406172 pine grosbeak Pinicola enucleator
1406039 Sirococcus blight of conifers Sirococcus conigenus
1406079 Scleroderris canker of pine and spruce Gremmeniella abietina lower branches infected with Scleroderris canker
1406096 Scleroderris canker of pine and spruce Gremmeniella abietina
1406105 bronze leaf disease Apioplagiostoma populi
1406182 frost and winter injury (general)
1406059 Sirococcus blight of conifers Sirococcus conigenus
1406271 pine wilt nematode Bursaphelenchus xylophilus
1406195 Swiss needle cast Phaeocryptopus gaeumannii
1406011 spruce needle rusts Chrysomyxa spp.
1406192 Rhizosphaera needle cast Rhizosphaera kalkhoffii
1406094 gray jay Perisoreus canadensis
1406101 Scleroderris canker of pine and spruce Gremmeniella abietina
1406267 white pine blister rust Cronartium ribicola
1406055 Sirococcus blight of conifers Sirococcus conigenus
1406020 Diplodia tip blights Diplodia spp.
1406266 white pine blister rust Cronartium ribicola
1406098 Scleroderris canker of pine and spruce Gremmeniella abietina
1406032 Sirococcus blight of conifers Sirococcus conigenus
1406004 pine needle rust Coleosporium asterum small trees
1406067 Lophodermium needle casts Lophodermium spp.
1406179 frost and winter injury (general) 3 Bravo spray applications on French-green variety of scotch pine
1406013 pine needle rust Coleosporium asterum
1406183 frost and winter injury (general) brown needles on south side of tree
1406063 Lophodermium needle casts Lophodermium spp.
1406204 northern leopard frog Rana pipiens
1406033 Sirococcus blight of conifers Sirococcus conigenus Superior National Forest
1406181 frost and winter injury (general) snow mold
1406159 rat, vole, mouse Microtus spp. and Clethionomys spp.
1406215 Ectomycorrhizae Thelephora terrestris
1406184 frost and winter injury (general) frost damage
1406017 Diplodia tip blights Diplodia spp.
1406014 Diplodia tip blights Diplodia spp.
1406016 Diplodia tip blights Diplodia spp.
1406085 Diplodia blight Sphaeropsis sapinea dead trees
1406036 Sirococcus blight of conifers Sirococcus conigenus
1406214 Shaggy mane Coprinus comatus
1406205 pileated woodpecker Dryocopus pileatus
1406270 pine wilt nematode Bursaphelenchus xylophilus
1406269 Japanese pine sawyer Monochamus alternatus
1406086 Scleroderris canker of pine and spruce Gremmeniella abietina
1406213 osprey Pandion haliaetus and nest
1406211 western diamondback rattlesnake Crotalus atrox
1406277 pine wilt nematode Bursaphelenchus xylophilus
1406206 deer mouse Peromyscus spp.
1406210 red-naped sapsucker Sphyrapicus nuchalis
1406208 house wren Troglodytes aedon
1406209 tiger salamander Ambystoma tigrinum
1406207 pileated woodpecker Dryocopus pileatus nesting in Everglades National Park
1406279 pine wilt nematode Bursaphelenchus xylophilus
1406109 bronze leaf disease Apioplagiostoma populi
1406190 Rhizosphaera needle cast Rhizosphaera kalkhoffii
1406087 Scleroderris canker of pine and spruce Gremmeniella abietina
1406037 Sirococcus blight of conifers Sirococcus conigenus
1406034 Sirococcus blight of conifers Sirococcus conigenus Chippewa National Forest - Cutfoot Sioux district
1406015 Diplodia tip blights Diplodia spp.
1406065 pine needle cast Lophodermium pinastri 17 Maneb sprays and check bed
1406027 Sirococcus blight of conifers Sirococcus conigenus
1406030 Sirococcus blight of conifers Sirococcus conigenus
1406031 Sirococcus blight of conifers Sirococcus conigenus
1406186 frost and winter injury (general)
1406062 pine needle cast Lophodermium pinastri
1406029 Sirococcus blight of conifers Sirococcus conigenus
1406060 Lophodermium needle casts Lophodermium spp.
1406191 Rhizosphaera needle cast Rhizosphaera kalkhoffii
1406058 Sirococcus blight of conifers Sirococcus conigenus
1406189 frost and winter injury (general) frost damage
1406201 white-breasted nuthatch Sitta carolinensis
1406194 Swiss needle cast Phaeocryptopus gaeumannii
1406042 Sirococcus blight of conifers Sirococcus conigenus Superior National Forest
1406061 pine needle cast Lophodermium pinastri
1406177 frost and winter injury (general) 3 Bravo spray applications (1 spring, 1 fall) on French-green variety of scotch pine
1406125 bronze leaf disease Apioplagiostoma populi
1406161 porcupine Erethizon dorsatum
1406174 frost and winter injury (general) damage to south side
1406176 frost and winter injury (general) French-green variety on the left, Belgian on the right.
1406117 bronze leaf disease Apioplagiostoma populi
1406048 Sirococcus blight of conifers Sirococcus conigenus
1406095 frost and winter injury (general) frost pocket
1406198 pileated woodpecker Dryocopus pileatus
1406043 Sirococcus blight of conifers Sirococcus conigenus
1406180 frost and winter injury (general) French-green variety on the left, Belgian on the right
1406185 desication (wind burn) winter burn
1406088 Scleroderris canker of pine and spruce Gremmeniella abietina red pine plantation
1406167 white-tailed deer Odocoileus virginianus browse damage
1406175 frost and winter injury (general) 3 Bravo spray applications (1 spring, 2 fall), French-green variety of scotch pine
1406173 frost and winter injury (general) 3 Bravo sprays (1 spring, 2 fall) on French-green variety of scotch pine
1406077 Scleroderris canker of pine and spruce Gremmeniella abietina
1406121 bronze leaf disease Apioplagiostoma populi
1406252 Hypoxylon cankers Hypoxylon spp.
1406103 Scleroderris canker of pine and spruce Gremmeniella abietina cut in Oneida County Forest. Diameter 7 inches
1406035 Sirococcus blight of conifers Sirococcus conigenus
1406272 pine wilt nematode Bursaphelenchus xylophilus
1406130 beech bark disease Nectria coccinea
1406155 squirrel Sciurus spp. cones pulled off
1406131 sweet fern blister rust Cronartium comptoniae
1406110 bronze leaf disease Apioplagiostoma populi
1406127 beech bark disease Nectria coccinea
1406188 frost and winter injury (general) frost damage
1406028 Sirococcus blight of conifers Sirococcus conigenus
1406051 Sirococcus blight of conifers Sirococcus conigenus
1406212 pileated woodpecker Dryocopus pileatus
1406152 white-tailed deer Odocoileus virginianus
1406147 rat, vole, mouse
1406160 construction tree death due to construction
1406083 poplar gall borer Saperda inornata gall on hybrid cottonwood
1406187 frost and winter injury (general)
1406278 pine wilt nematode Bursaphelenchus xylophilus Austrian pine is brown, red pine is green
1406230 emetic russula Russula emetica showing gills
1406216 Gymnopilus fungi Gymnopilus spp.
1406217 dog vomit slime mold Fuligo septica septica
1406221 shaggy parasol Chlorophyllum rhacodes
1406158 white-tailed deer Odocoileus virginianus
1406153 white-tailed deer Odocoileus virginianus rub
1406178 frost and winter injury (general) 3 Bravo spray applications (1 spring, 2 fall) on French-green variety of scotch pine
1406193 Rhizosphaera needle cast Rhizosphaera kalkhoffii
1406108 bronze leaf disease Apioplagiostoma spp. bronze leaf remains
1399088 tussock moths Dasychira spp.
1399089 western spruce budworm Choristoneura freemani defoliation
1399090 Douglas-fir beetle Dendroctonus pseudotsugae
1406231 poles, posts, pilings sealing posts off swamp. Jan. 1955
1406260 false tinder polypore Phellinus igniarius
1406253 Hypoxylon cankers Hypoxylon spp.
1406254 Hypoxylon cankers Hypoxylon spp.
1406255 clearcut
1406258 Phellinus heartrots Phellinus spp.
1406233 downy woodpecker Picoides pubescens caught in mistnet
1406234 downy woodpecker Picoides pubescens
1406235 downy woodpecker Picoides pubescens
1406236 Hypoxylon cankers Hypoxylon spp. introduced at cicada wound site
1406237 Hypoxylon cankers Hypoxylon spp. introduced at cicada wound site
1406238 Hypoxylon cankers Hypoxylon spp. introduced at cicada wound site
1406239 Hypoxylon cankers Hypoxylon spp. with hyphal pegs, two years after cicada wounds
1406240 Hypoxylon cankers Hypoxylon spp.
1406241 Hypoxylon cankers Hypoxylon spp.
1406242 Hypoxylon cankers Hypoxylon spp.
1406243 Hypoxylon cankers Hypoxylon spp.
1406244 Hypoxylon cankers Hypoxylon spp.
1406245 Hypoxylon cankers Hypoxylon spp.
1406246 Hypoxylon cankers Hypoxylon spp.
1406247 Hypoxylon cankers Hypoxylon spp.
1406248 Hypoxylon cankers Hypoxylon spp.
1406249 Hypoxylon cankers Hypoxylon spp.
1406250 Hypoxylon cankers Hypoxylon spp.
1406273 Japanese pine sawyer Monochamus alternatus ovipositon site
1406276 pine wilt nematode Bursaphelenchus xylophilus
1406199 pileated woodpecker Dryocopus pileatus
1406200 brown creeper Certhia americana
1406197 pileated woodpecker Dryocopus pileatus
1406168 squirrel Sciurus spp.
1406169 squirrel Sciurus spp. cone pulling
1406170 porcupine Erethizon dorsatum North Highland State Forest
1406171 squirrel Sciurus spp.
1406149 rat, vole, mouse trails left after snow melt
1406080 rat, vole, mouse mouse damage at base of tree
1406066 pine needle cast Lophodermium pinastri 2 1/2 lb. Maneb aerial spray
1406107 bronze leaf disease Apioplagiostoma populi
1406091 Scleroderris canker of pine and spruce Gremmeniella abietina fungicide tests
1406092 Scleroderris canker of pine and spruce Gremmeniella abietina fungicide tests
1406122 bronze leaf disease Apioplagiostoma populi
1406123 bronze leaf disease Apioplagiostoma populi
1406124 bronze leaf disease Apioplagiostoma populi
1406111 bronze leaf disease Apioplagiostoma populi
1406113 bronze leaf disease Apioplagiostoma populi
1406118 bronze leaf disease Apioplagiostoma populi
1406116 bronze leaf disease Apioplagiostoma populi
1406132 sweet fern blister rust Cronartium comptoniae
1406129 beech bark disease Nectria coccinea
1406135 tornado Tornado damage, Lake Tomahawk
1406137 tornado tornado damage, Lake Tomahawk
1406140 tornado tornado
1406141 Road salt or de-icing salt
1406142 drought
1406143 rat, vole, mouse
1406144 rat, vole, mouse jack pine on red pine, cross innoculation study
1406145 rat, vole, mouse jack pine innoculated on jack pine, cross innoculation study
1406146 rat, vole, mouse jack pine innoculated on jack pine
1406150 squirrel Sciurus spp. cone pulling by squirrels
1406151 squirrel Sciurus spp. cone torn off
1406148 rat, vole, mouse girdling
1406154 rat, vole, mouse girdled tree
1406156 woodpeckers dead tree
1406157 rat, vole, mouse
1406162 squirrel Sciurus spp.
1406163 woodpeckers sapsucker damage
1406164 pine grosbeak Pinicola enucleator
1406165 pocket gophers pocket gopher
1406166 squirrel Sciurus spp.
1406045 Sirococcus blight of conifers Sirococcus conigenus
1406046 Sirococcus blight of conifers Sirococcus conigenus
1406047 Sirococcus blight of conifers Sirococcus conigenus
1406040 Sirococcus blight of conifers Sirococcus conigenus
1406009 pine needle rust Coleosporium asterum uredia growing on alternate host
1406010 pine needle rust Coleosporium asterum telia growing on alternate host

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