sudden oak death
Peronosporales > Peronosporaceae > Phytophthora ramorum S. Werres, A.W.A.M. de Cock

Identification, Biology, Control and Management Resources

  • Pest Alert - USDA Forest Service
    http://www.forestpests.org/acrobat/sodwest.pdf -

Selected Images

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Number:1427078
Description: Sign; P. ramorum zone lines on coast live oak.
Photographer:Joseph O'Brien, USDA Forest Service
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Number:1427111
Description: Symptoms; This leaf was confirmed as positive for P. ramorum by Jenny Davidson.
Photographer:Joseph O'Brien, USDA Forest Service
 Additional Resolutions and Image Usage
 
Number:1427036
Description: Symptoms;
Photographer:Joseph O'Brien, USDA Forest Service
 Additional Resolutions and Image Usage
 
Number:1427045
Description: Symptoms; Tip dieback symptoms caused by P. ramorum on tanoak.
Photographer:Joseph O'Brien, USDA Forest Service
 Additional Resolutions and Image Usage
 
Number:1427069
Description: Sign; Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak.
Photographer:Joseph O'Brien, USDA Forest Service
 Additional Resolutions and Image Usage
 
Number:1427112
Description: Symptoms;
Photographer:Joseph O'Brien, USDA Forest Service
 Additional Resolutions and Image Usage
 

Invasive Reference(s)

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Subject Reference(s)

  • The Exotic Forest Pest Information System for North America (EFPISNA) is a joint project of the member organizations of the Insect and Disease Study Group of the North American Forest Commission. - http://www.exoticforestpests.org/