An Online Catalog of
Western Forest Insects and Diseases

Root Diseases
Other Critters & Cruds


We're always looking for new links to add to this collection!
Contact our websteward for more information.

Many of the documents included on this list are in PDF format. To view PDF documents, you need a copy of Adobe Acrobat Reader, a FREE program. Once you have downloaded and installed your copy of Acrobat Reader, just click on a PDF file (below) to view it.


Root Diseases

Root Diseases (general + others) (many species)

Root Diseases USDA FS, SW Oregon FHP Service Center
Root Diseases in Oregon and Washington Conifers USDA Forest Service
management process, surveys, prescriptions, treatment methods -- B.C. Ministry of Forests
Tomentosus Root Rot -- Natural Resources Canada


Annosus Root Rot (Heterobasidion annosum)

Annosus Root Disease USDA FS, SW Oregon FHP Service Center
Annosus Root Disease USDA Forest Service, Root Diseases in OR & WA Conifers
Annosus Root and Butt Rot -- USFS R6 Forest Disease Management Notes
Annosus Root Disease of Western Conifers -- Forest Insect and Disease Leaflet No. 172
distribution in B.C., hosts/signs/symptoms -- B.C. Ministry of Forests
Annosus Root Rot & Butt Rot -- Natural Resources Canada
Annosus Root Disease -- WA State University Forest Health Note


Armillaria Root Disease (Armillaria ostoyae)

Armillaria Root Disease USDA FS, SW Oregon FHP Service Center
Armillaria Root Disease USDA Forest Service, Root Diseases in OR & WA Conifers
Armillaria Root Rot (USFS R6 Forest Disease Management Notes - PDF)
Armillaria Root Disease (Forest Insect and Disease Leaflet No. 78 - html)
distribution in B.C., hosts/signs/symptoms -- B.C. Ministry of Forests
Armillaria ostoyae Root Disease -- Natural Resources Canada
Armillaria Root Rot -- WA State University Forest Health Note


Black Stain Root Disease (Leptographium wageneri)

Black Stain Root Disease USDA FS, SW Oregon FHP Service Center
Black Stain Root Disease USDA Forest Service, Root Diseases in OR & WA Conifers
Black Stain Root Disease (USFS R6 Forest Disease Management Notes - PDF)
distribution of Douglas-fir or pine variety, hosts/signs/symptoms -- B.C. Ministry of Forests
Black Stain Root Disease -- Natural Resources Canada


Laminated Root Rot (Phellinus weiri)

Laminated Root Rot USDA FS, SW Oregon FHP Service Center
Recognizing Laminated Root Rot in Freshly-Cut Douglas-fir Stumps -- USFS R6
Laminated Root Rot USDA Forest Service, Root Diseases in OR & WA Conifers
Laminated Root Rot in western North America USFS, PNW GTR-349
Laminated Root Rot of western conifers -- Forest Insect and Disease Leaflet No. 159
distribution in B.C., hosts/signs/symptoms -- B.C. Ministry of Forests
Laminated Root Rot -- Natural Resources Canada
Laminated Root Rot -- WA State University Forest Health Note


Port-Orford-Cedar Root Disease (Phytophthora lateralis)

Final Supplemental Environmental Impact Statement (website)
Forest Service Record of Decision 2004 (826 kb)
Bureau of Land Management Record of Decision 2004 (354 kb)
Range-wide Assessment of Port-Orford-cedar 2003 (4.0 mb)
Port-Orford-Cedar Root Disease -- USDA FS, SW Oregon FHP Service Center
Port-Orford-Cedar Root Disease -- Roth, Harvey, & Kliejunas (1987)
Port-Orford-Cedar Root Disease Program -- USFS, Dorena Genetic Resource Center
Port-Orford-Cedar Root Disease -- US Forest Service, Root Diseases in OR & WA Conifers (
Port-Orford-Cedar Root Rot USFS R6 Forest Disease Management Notes
Phytophthora Root Rot of Port-Orford-Cedar -- substitute FIDL Leaflet No. 131


Sudden Oak Death (Phytophthora species)

Phytophthoras in forests and natural ecosystems -- IUFRO mtg, Monterey, CA (2007)

Sudden Oak Death and Phytophthora ramorum -- Ellen Goheen & others (April 2006)
Sudden Oak Death website -- CA Oak Mortality Task Force
Sudden Oak Death in Southwest Oregon -- Ellen M. Goheen, USDA-FS
Sudden Oak Death website -- WA Dept. of Agriculture
Sudden Oak Death website -- APHIS (USDA Animal & Plant Health Inspection Service)
State quarantines in OR, WA, and CA
Federal Register -- interim rules published February 14, 2002 (84 KB pdf)
SOD Pest Alert -- Oregon Dept. of Forestry, Forest Health Note
SOD in Rhododendrons -- Univ. of CA press release
Greenbrae website -- Greenbrae, Marin Co., CA
Sudden Oak Death in CA: P2 Plot Remeasurement -- Campbell and other (pdf poster)
Sudden Oak Death in Oregon -- McWIlliams and other (pdf poster)



Quick links to other pages of our on-line catalog:
  Western Forest Diseases:
[mistletoes] [root diseases] [rots & decays] [foliage diseases] [cankers]
[rusts] [seedling diseases] [general]
Western Forest Insects:
[bark beetles | wood borers] [defoliators] [seed & cone insects]
[shoot, twig, & terminal insects] [sucking insects] [general]

This webpage was last updated on May 31, 2010.

horizontal rule with trees

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