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Invasive.org - Center for Invasive Species and Ecosystem Health


sudden oak death NAPIS: FGHEPWN
Phytophthora ramorum S. Werres, A.W.A.M. de Cock
Taxonomic Rank: Oomycetes: Peronosporales: Peronosporaceae

Identification, Biology, Control and Management Resources


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Sign; P. ramorum zone lines on coast live oak.
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Symptoms; This leaf was confirmed as positive for P. ramorum by Jenny Davidson.
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Symptoms;
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Symptoms; Tip dieback symptoms caused by P. ramorum on tanoak.
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Sign; Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak.
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Symptoms;
Joseph O'Brien, USDA Forest Service, Bugwood.org
Additional Resolutions & Image Usage

Taxonomic References:

  • 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.

Invasive Listing Sources:



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