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    Root and Butt / Root and Stem Diseases (2)

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USDA Forest Service

USDA Forest Service

The U.S. Department of Agriculture Forest Service is a Federal agency that manages public lands in national forests and grasslands. The Forest Service is also the largest forestry research organization in the world, and provides technical and financial assistance to state and private forestry agencies. Gifford Pinchot, the first Chief of the Forest Service, summed up the purpose of the Forest Service—"to provide the greatest amount of good for the greatest amount of people in the long run."
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Image Subject Name Scientific Name Description
2652004 red-belted fungus Fomitopsis pinicola on living Sitka spruce tree in Alaska
0488096 red-belted fungus Fomitopsis pinicola on Abies fraseri
1206051 red-belted fungus Fomitopsis pinicola fruiting body on bole
2121090 red-belted fungus Fomitopsis pinicola Red belted fungus, conk on a dead black spruce stem, photo taken in northern MN, St. Louis Co.
2121088 red-belted fungus Fomitopsis pinicola External conk on a dead black spruce stem. Photo taken in St. Louis County, Mn, 2005
2121089 red-belted fungus Fomitopsis pinicola Red velvet fungus, conk on a dead black spruce stem, photo taken in northern MN, St. Louis Co.
1467182 heart rot Laricifomes officinalis
1467181 heart rot Laricifomes officinalis
1467186 red-belted fungus Fomitopsis pinicola
1467178 bracket fungus Fomitopsis rosea
1198014 red-belted fungus Fomitopsis pinicola
1198031 red-belted fungus Fomitopsis pinicola These are young fruiting bodies, which harden and turn darker with age.
1301025 red-belted fungus Fomitopsis pinicola
1241542 cedar brown pocket rot Postia sericeomollis Cedar brown pocket rot occurs in isolated large pockets of brown cubical decay. Seen in cross section.
1241541 cedar brown pocket rot Postia sericeomollis Cedar brown pocket rot occurs in isolated large pockets of brown cubical decay. Seen in longitudinal.
1241546 heart rot Laricifomes officinalis Typical quinine conk fruiting high on the stem of a tree.
1241547 heart rot Laricifomes officinalis Close-up of conk showing the pore layer on the underside.
1241545 red-belted fungus Fomitopsis pinicola Red belt fungus conks has a distinctive red band along the perimeter when mature and fresh but are often seen in the immature stage.
1241543 red-belted fungus Fomitopsis pinicola Red belt fungus conks has a distinctive red band along the perimeter when mature and fresh.
1241544 red-belted fungus Fomitopsis pinicola Red belt fungus conks has a distinctive red band along the perimeter when mature and fresh.
2250084 red-belted fungus Fomitopsis pinicola
2250086 red-belted fungus Fomitopsis pinicola

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