Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon
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Dead Port Orford Cedar  |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. nicotianae colony morphology on V8  Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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P. cryptogea colony morpholgy on PDA  Colony morphology on PDA at 14 days |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
P. nicotianae sporangia  P. nicotianae overview of sporangia 40x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
P. kernoviae disease on beech  External lesion; 14 November 2003 |
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P. siskiyouensis disease symptoms on Italian alder  Phytophthora collar rot on Italian alder trees: standing, dead tree |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
P. austrocedrae - Mal del ciprés, stages of decline  Mal del ciprés, stages of decline |