Sudden Oak Death > Maps & Visual Media > Photos > Plant Symptom Photos
Plant Symptom Photos
More details about Hosts and Symptoms.

Alleghany viburnum
Alleghany viburnum
Healthy
Latin Name |
Viburnum x rhytidophylloides |
Host Type |
Associated Host |
Photo Credits |
The U.S. National Arboretum, USDA |

Alleghany viburnum flowering
Alleghany viburnum flowering
Healthy
Latin Name |
Viburnum x rhytidophylloides |
Host Type |
Regulated Host |
Photo Credits |
The U.S. National Arboretum. USDA |

Alleghany viburnum fruiting
Alleghany viburnum fruiting
Healthy
Latin Name |
Viburnum x rhytidophylloides |
Host Type |
Regulated Host |
Photo Credits |
The U.S. National Arboretum, USDA |

American cranberry viburnum
American cranberry viburnum
Healthy.
Also known as European cranberrybush viburnum
Latin Name |
Viburnum opulus (=V. trilobum) |
Host Type |
Regulated Host |
Photo Credits |
UConn Plant Database (http://www.hort.uconn.edu/plants/index.html) |

Andrew's clintonia bead lily
Andrew's clintonia bead lily
May 04 - Reported by David Rizzo, University of California, Davis, CA
Latin Name |
Clintonia andrewsiana |
Host Type |
Associated Host |
Photo Credits |
Jenny Davidson, University of California, Davis |

Andrew's clintonia bead lily
Andrew's clintonia bead lily
May 04 - Reported by David Rizzo, University of California, Davis, CA
Latin Name |
Clintonia andrewsiana |
Host Type |
Associated Host |
Photo Credits |
Jenny Davidson, University of California, Davis |

Andrew's clintonia bead lily
Andrew's clintonia bead lily
May 04 - Reported by David Rizzo, University of California, Davis, CA
Latin Name |
Clintonia andrewsiana |
Host Type |
Associated Host |
Photo Credits |
Jenny Davidson, University of California, Davis |

Anise magnolia
Anise magnolia
Feb 08 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia salicifolia = Magnolia proctoriana |
Host Type |
Associated Host |

Arctostaphylos glandulosa
Arctostaphylos glandulosa
Latin Name |
Arctostaphylos glandulosa |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Arctostaphylos virgata
Arctostaphylos virgata
Latin Name |
Arctostaphylos virgata |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Ardisia
Ardisia
Jan 06 - Reported by Canadian Food Inspection Agency,Canada (CFIA)
Latin Name |
Ardisia japonica |
Host Type |
Associated Host |
Photo Credits |
Stephan Briere, Centre for Plant Quarantine Pests, Canadian food Inspection Agency |

Ardisia
Ardisia
Jan 06 - Reported by Canadian Food Inspection Agency,Canada (CFIA)
Latin Name |
Ardisia japonica |
Host Type |
Associated Host |
Photo Credits |
Melissa Main, BC - Coastal Region Operations, Canadian Food Iinspection Agency |

Banana shrub
Banana shrub
April 08 - Reported by CA Department of Food and Agriculture (CDFA
Latin Name |
Magnolia (Michelia) figo |
Host Type |
Associated Host |
Photo Credits |
Cheryl Blomquist, CDFA |

Banana shrub
Banana shrub
April 08 - Reported by CA Department of Food and Agriculture (CDFA
Latin Name |
Magnolia (Michelia) figo |
Host Type |
Associated Host |
Photo Credits |
Cheryl Blomquist, CDFA |

Bay laurel (L. nobilis)
Bay laurel (L. nobilis)
Healthy
Latin Name |
Laurus nobilis |
Host Type |
Regulated Host |
Photo Credits |
John Crellin
(www.floralimages.com) |

Bayleaf currant
Bayleaf currant
Jan 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Ribes laurifolium |
Host Type |
Associated Host |

Big leaf maple
Big leaf maple
Petiole lesion
Latin Name |
Acer macrophyllum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Big leaf maple
Big leaf maple
Latin Name |
Acer macrophyllum |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto laboratory, UC Berkeley |

Big leaf maple
Big leaf maple
Latin Name |
Acer macrophyllum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Big leaf maple
Big leaf maple
Latin Name |
Acer macrophyllum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Bilberry
Bilberry
Feb 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Vaccinium myrtilus |
Host Type |
Associated Host |

Birch
Birch
Bleeding lesion caused by P. ramorum
Latin Name |
Betula pendula |
Host Type |
Other Host |
Photo Credits |
UK Forestry Commission/Forest Research |

Blackberry
Blackberry
Latin Name |
Rubus ursinus |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Blueblossom
Blueblossom
April 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Ceanothus thyrsiflorus |
Host Type |
Associated Host |
Photo Credits |
Matthew DiLeo, University of California, Davis |

Blueblossom
Blueblossom
April 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Ceanothus thyrsiflorus |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Buford holly
Buford holly
Latin Name |
Ilex cornuta |
Host Type |
Associated Host |

California bay laurel
California bay laurel
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
Rob Gross |

California bay laurel
California bay laurel
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
Rob Gross |

California bay laurel
California bay laurel
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California bay laurel
California bay laurel
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California bay laurel
California bay laurel
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California bay laurel
California bay laurel
Fresh P. ramorum infections
Latin Name |
Umbellularia californica |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California black oak
California black oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus kelloggii |
Host Type |
Regulated Host |

California black oak
California black oak
Culture confirmed, P. ramorum twig cankers from Annadel State Park, Santa Rosa, CA in July 2012.
Latin Name |
Quercus kelloggii |
Host Type |
Regulated Host |
Photo Credits |
Kerri Frangioso, UC Davis |

California black oak
California black oak
Culture confirmed, P. ramorum twig cankers from Annadel State Park, Santa Rosa, CA in July 2012.
Latin Name |
Quercus kelloggii |
Host Type |
Regulated Host |
Photo Credits |
Kerri Frangioso, UC Davis |

California buckeye
California buckeye
Latin Name |
Aesculus californica |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley |

California coffeeberry
California coffeeberry
Latin Name |
Frangula californica = Rhamnus purshiana |
Host Type |
Regulated Host |
Photo Credits |
Djibo Zanzot, UC Davis |

California coffeeberry
California coffeeberry
Latin Name |
Frangula californica = Rhamnus purshiana |
Host Type |
Regulated Host |
Photo Credits |
Djibo Zanzot, UC Davis |

California hazelnut
California hazelnut
Shoot dieback. Dec 02 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Corylus Cornuta |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California hazelnut
California hazelnut
Shoot dieback. Dec 02 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Corylus Cornuta |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California hazelnut
California hazelnut
Shoot dieback.
Dec 02 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Corylus Cornuta |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California hazelnut
California hazelnut
Dec 02 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Corylus Cornuta var. californica |
Host Type |
Associated Host |
Photo Credits |
Matthew DiLeo, University of California, Davis |

California hazelnut
California hazelnut
Dec 02 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Corylus Cornuta var. californica |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California honeysuckle
California honeysuckle
Infected honeysuckle leaves
Latin Name |
Lonicera hispidula |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California honeysuckle
California honeysuckle
Infected honeysuckle leaves
Latin Name |
Lonicera hispidula |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California honeysuckle
California honeysuckle
Infected honeysuckle leaves
Latin Name |
Lonicera hispidula |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California maidenhair fern
California maidenhair fern
Latin Name |
Adiantum jordanii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California maidenhair fern
California maidenhair fern
Latin Name |
Adiantum jordanii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California maidenhair fern
California maidenhair fern
Latin Name |
Adiantum jordanii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California nutmeg
California nutmeg
Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Torreya californica |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California nutmeg
California nutmeg
Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Torreya californica |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California nutmeg
California nutmeg
Shoot dieback. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Torreya californica |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California nutmeg
California nutmeg
Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Torreya californica |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

California wood fern
California wood fern
May 04 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Dryopteris arguta |
Host Type |
Associated Host |

Camphor
Camphor
Naturally infected Camphor leaves
Latin Name |
Cinnamomum camphora |
Host Type |
Regulated Host |
Photo Credits |
Suzanne Rooney-Latham |

Camphor tree
Camphor tree
May 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Cinnamomum camphora |
Host Type |
Regulated Host |

Canyon live oak
Canyon live oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus chrysolepis |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Canyon live oak
Canyon live oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus chrysolepis |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Canyon live oak
Canyon live oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus chrysolepis |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Canyon live oak
Canyon live oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus chrysolepis |
Host Type |
Regulated Host |
Photo Credits |
Chris Lee, UC Cooperative Extension |

Castanopsis
Castanopsis
Aug 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Castanopsis orthacantha |
Host Type |
Associated Host |

Chaparral pea
Chaparral pea
Latin Name |
Pickeringia montana |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Chinese guger tree, needlewood
Chinese guger tree, needlewood
Nov 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Schima wallichii |
Host Type |
Associated Host |

Chinese redbud
Chinese redbud
30 May 2008 Cercis chinense - redbud changed to correctly read Cercis chinensis - Chinese redbud.
April 08 - Reported by Canadian Food Inspection Agency,Canada (CFIA)
Latin Name |
Cercis chinensis |
Host Type |
Associated Host |

Chinese witchhazel
Chinese witchhazel
Jan 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Hamamelis mollis |
Host Type |
Associated Host |

Chinquapin
Chinquapin
Latin Name |
Chrysolepsis chrysophylla |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Chinquapin bark
Chinquapin bark
Latin Name |
Chrysolepsis chrysophylla |
Host Type |
Associated Host |
Photo Credits |
Suzanne Rooney Latham, CDFA |

Coast live oak
Coast live oak
Canker. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus agrifolia |
Host Type |
Regulated Host |
Photo Credits |
Steve Tjosvold, UC Cooperative Extension |

Coast live oak
Coast live oak
Bleeding. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus agrifolia |
Host Type |
Regulated Host |
Photo Credits |
Steve Tjosvold, UC Cooperative Extension |

Coast redwood
Coast redwood
Redwood tip
Latin Name |
Sequoia sempervirens |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley |

Coast redwood
Coast redwood
Needle and stem necrosis
Latin Name |
Sequoia sempervirens |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Coast redwood
Coast redwood
Needle and stem necrosis
Latin Name |
Sequoia sempervirens |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Cornus Norman Haddon
Cornus Norman Haddon
Aug 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Cornus kousa x Cornus capitata |
Host Type |
Associated Host |

Cowberry, Lingon berry, Mountain cranberry
Cowberry, Lingon berry, Mountain cranberry
April 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Vaccinium vitis-idaea |
Host Type |
Associated Host |

Daphniphyllum glaucescens
Daphniphyllum glaucescens
Feb 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Daphniphyllum glaucescens |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Daphniphyllum glaucescens
Daphniphyllum glaucescens
Feb 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Daphniphyllum glaucescens |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Daphniphyllum glaucescens
Daphniphyllum glaucescens
Feb 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Daphniphyllum glaucescens |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Delavay osmanthus, Delavay tea olive
Delavay osmanthus, Delavay tea olive
Tip dieback. Jan 07 - Reported by Washington State Department of Agriculture, Olympia, WA
Latin Name |
Osmanthus delavayi |
Host Type |
Associated Host |
Photo Credits |
Cindy Cooper, WSDA |

Douglas-fir
Douglas-fir
Latin Name |
Pseudotsuga menziesii var. mienziesii |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley; and David Rizzo, UC Davis |

Douglas-fir
Douglas-fir
Wilted Douglas fir shoot
Latin Name |
Pseudotsuga menziesii var. mienziesii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Douglas-fir
Douglas-fir
Twig canker
Latin Name |
Pseudotsuga menziesii var. mienziesii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Douglas-fir
Douglas-fir
Dead Douglas fir leader shoot
Latin Name |
Pseudotsuga menziesii var. mienziesii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Drooping leucothoe
Drooping leucothoe
Oct 03 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Leucothoe fontanesiana |
Host Type |
Associated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Drooping leucothoe
Drooping leucothoe
Oct 03 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Leucothoe fontanesiana |
Host Type |
Associated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Drooping leucothoe
Drooping leucothoe
Oct 03 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Leucothoe fontanesiana |
Host Type |
Associated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Dwarf English laurel
Dwarf English laurel
Jan 07 - Reported by Washington State Department of Agriculture, Olympia, WA
Latin Name |
Prunus laurocerasus 'Nana' |
Host Type |
Associated Host |
Photo Credits |
Cindy Cooper, WSDA |

Eastern joy lotus tree
Eastern joy lotus tree
July 06 - Reported by Canadian Food Inspection Agency,Canada (CFIA)
Latin Name |
Parakmeria lotungensis |
Host Type |
Associated Host |

English laurel, cherry laurel
English laurel, cherry laurel
Jan 07 - Reported by Washington State Department of Agriculture, Olympia, WA
Latin Name |
Prunus laurocerasus |
Host Type |
Associated Host |

European ash
European ash
Latin Name |
Fraxinus excelsior |
Host Type |
Regulated Host |

European beech
European beech
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Fagus sylvatica |
Host Type |
Regulated Host |

European holly
European holly
April 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Ilex aquifolium |
Host Type |
Associated Host |

European turkey oak
European turkey oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus cerris |
Host Type |
Regulated Host |

European yew
European yew
Latin Name |
Taxus baccata |
Host Type |
Regulated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Evergreen huckleberry
Evergreen huckleberry
Shoot dieback
Latin Name |
Vaccinium ovatum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Evergreen huckleberry
Evergreen huckleberry
Shoot dieback
Latin Name |
Vaccinium ovatum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Evergreen huckleberry
Evergreen huckleberry
Young huckleberry shoot infection
Latin Name |
Vaccinium ovatum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Evergreen huckleberry
Evergreen huckleberry
Dieback
Latin Name |
Vaccinium ovatum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Evergreen maple
Evergreen maple
Aug 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Acer laevigatum |
Host Type |
Associated Host |
Photo Credits |
Kwekerij Fa. C. Esveld
(http://www.esveld.nl/engels.htm) |

False solomon's seal
False solomon's seal
Latin Name |
Maiantheumum racemosum (formerly known as Smilacina racemosa) |
Host Type |
Regulated Host |
Photo Credits |
Daniel Huberli, University of California, Berkeley |

Fetterbush
Fetterbush
AKA Coast leucothoe. Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Leucothoe axillaris |
Host Type |
Associated Host |
Photo Credits |
Melissa Main, BC - Coastal Region Operations, Canadian Food Inspection Agency |

Formosa firethorn
Formosa firethorn
April 04 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Pyracantha koidzumii |
Host Type |
Associated Host |
Photo Credits |
Stephen Briere, Canadian Food Inspection Agency (CFIA) |

Goat willow
Goat willow
Healthy
Latin Name |
Salix caprea |
Host Type |
Regulated Host |
Photo Credits |
Pat O'Reilly, Wales, UK
(www.fishing-in-wales.com) |

Grand fir
Grand fir
June 03 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Abies grandis |
Host Type |
Associated Host |
Photo Credits |
Santa Clara County Department of Agriculture |

Grand fir
Grand fir
June 03 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Abies grandis |
Host Type |
Associated Host |
Photo Credits |
Santa Clara County Department of Agriculture |

Grand fir
Grand fir
June 03 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Abies grandis |
Host Type |
Associated Host |
Photo Credits |
Santa Clara County Department of Agriculture |

Grand Fir
Grand Fir
Latin Name |
Abies grandis |
Host Type |
Associated Host |
Photo Credits |
UK Forestry Commission/Forest Research |

Grand Fir
Grand Fir
Bark canker symptoms seen in the UK
Latin Name |
Abies grandis |
Host Type |
Associated Host |
Photo Credits |
UK Forestry Commission/Forest Research |

Griselinia
Griselinia
Latin Name |
Griselinia littoralis |
Host Type |
Regulated Host |
Photo Credits |
UK Central Science Laboratory. |

Holly olive
Holly olive
June 06 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Osmanthus heterophyllus |
Host Type |
Associated Host |

Holm oak
Holm oak
Foliar tree branch lesion
Latin Name |
Quercus ilex |
Host Type |
Regulated Host |
Photo Credits |
Sandra Denman, Forestry Commission, United Kingdom |

Holm oak
Holm oak
Foliar leaf necrosis
Latin Name |
Quercus ilex |
Host Type |
Regulated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Holm oak
Holm oak
Foliar blight
Latin Name |
Quercus ilex |
Host Type |
Regulated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Holm oak
Holm oak
Foliar aerial blight
Latin Name |
Quercus ilex |
Host Type |
Regulated Host |
Photo Credits |
Central Science Laboratory, Crown Copyright, United Kingdom |

Horse chestnut
Horse chestnut
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Aesculus hippocastanum |
Host Type |
Regulated Host |

Hybrid roses
Hybrid roses
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Rosa (specific cultivars) |
Host Type |
Associated Host |

Hybrid witchhazel
Hybrid witchhazel
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Hamamelis x Intermedia (H. mollis & H. japonica) |
Host Type |
Associated Host |

Japanese evergreen oak
Japanese evergreen oak
May 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Quercus acuta |
Host Type |
Associated Host |

Japanese larch
Japanese larch
Dieback
Latin Name |
Larix kaempferi |
Host Type |
Associated Host |
Photo Credits |
Joan Webber/Clive Brasier, Forest Research, UK |

Japanese larch
Japanese larch
Resinosis
Latin Name |
Larix kaempferi |
Host Type |
Associated Host |
Photo Credits |
Joan Webber/Clive Brasier, Forest Research, UK |

Japanese larch
Japanese larch
Foliar symptoms
Latin Name |
Larix kaempferi |
Host Type |
Associated Host |
Photo Credits |
Ben Jones, Forestry Commission, UK |

Japanese larch
Japanese larch
Foliar symptoms
Latin Name |
Larix kaempferi |
Host Type |
Associated Host |
Photo Credits |
Ben Jones, Forestry Commission, UK |

Japanese oak
Japanese oak
April 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Lithocarpus glaber |
Host Type |
Associated Host |

Kinnikinnik, bearberry
Kinnikinnik, bearberry
Jan 07 - Reported by Washington State Department of Agriculture, Olympia, WA
Latin Name |
Arctostaphylos uva-ursi |
Host Type |
Associated Host |
Photo Credits |
Nathan Lubliner, WSDA |

Kobus magnolia
Kobus magnolia
Feb 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia kobus |
Host Type |
Associated Host |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Kousa dogwood
Kousa dogwood
Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Cornus kousa |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Lilac
Lilac
Latin Name |
Syringa vulgaris |
Host Type |
Regulated Host |
Photo Credits |
Dr. Alexandra Schlenzig, Scottish Agricultural Science Agency |

Lilac
Lilac
Latin Name |
Syringa vulgaris |
Host Type |
Regulated Host |
Photo Credits |
Dr. Alexandra Schlenzig, Scottish Agricultural Science Agency |

Lily tree
Lily tree
Latin Name |
Magnolia denudata |
Host Type |
Associated Host |

Loebner magnolia
Loebner magnolia
Jan 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia x loebneri |
Host Type |
Associated Host |
Photo Credits |
UK Central Science Laboratory |

Loropetalum
Loropetalum
July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Loropetalum chinense |
Host Type |
Associated Host |
Photo Credits |
Cheryl Blomquist, CDFA |

Madrone
Madrone
Madrone stem lesion
Latin Name |
Arbutus menziesii |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Madrone
Madrone
Latin Name |
Arbutus menziesii |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley |

Madrone
Madrone
Latin Name |
Arbutus menziesii |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley |

Magnolia
Magnolia
Feb 08 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia x thompsoniana (M. tripetala and M. virginiana) |
Host Type |
Associated Host |

Magnolia
Magnolia
Feb 08 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia denudata x salicifolia |
Host Type |
Associated Host |

Manzanita
Manzanita
Latin Name |
Arctostaphylos |
Host Type |
Associated Host |
Photo Credits |
Tomas Pastalka; NORS-DUC |

Manzanita (A. columbiana)
Manzanita (A. columbiana)
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Arctostaphylos columbiana |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Manzanita (A. columbiana)
Manzanita (A. columbiana)
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Arctostaphylos columbiana |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Manzanita (A. columbiana)
Manzanita (A. columbiana)
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Arctostaphylos columbiana |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Manzanita (A. columbiana)
Manzanita (A. columbiana)
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Arctostaphylos columbiana |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Manzanita (A. manzanita)
Manzanita (A. manzanita)
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Arctostaphylos manzanita (inoculated) |
Host Type |
Regulated Host |
Photo Credits |
David Rizzo, UC Davis |

Mexican orange
Mexican orange
Jan 09 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Choisya ternate |
Host Type |
Associated Host |

Michelia
Michelia
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia maudiae =Michelia maudiae |
Host Type |
Associated Host |

Michelia
Michelia
April 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia cavalieri |
Host Type |
Associated Host |

Michelia
Michelia
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia ernestii = Michelia wilsonii |
Host Type |
Associated Host |

Michelia
Michelia
April 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia foveolata |
Host Type |
Associated Host |

Michelia
Michelia
Healthy
Latin Name |
Michelia doltsopa |
Host Type |
Regulated Host |
Photo Credits |
CANOPY: Trees for Palo Alto (http://www.canopy.org/) |

Molinadendron sinaloense
Molinadendron sinaloense
Latin Name |
Molinadendron sinaloense |
Host Type |
Associated Host |
Photo Credits |
Ken Peek, Alameda County Dept. of Agriculture |

Molinadendron sinaloense
Molinadendron sinaloense
Latin Name |
Molinadendron sinaloense |
Host Type |
Associated Host |
Photo Credits |
Dr. Suzanne Rooney-Latham, California Department of Agriculture, Plant Pest Diagnostic Center |

Mountain laurel
Mountain laurel
Latin Name |
Kalmia latifolia |
Host Type |
Regulated Host |
Photo Credits |
Jennifer Falacy, WSDA |

Myrtle-leafed Distylium
Myrtle-leafed Distylium
July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Distylium myricoides |
Host Type |
Associated Host |

Ninebark
Ninebark
Oct 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Physocarpus opulifolius |
Host Type |
Associated Host |

Northern red oak
Northern red oak
Canker. Nov 03 - Reported by Plant Protection Service, Wageningen, Netherlands
Latin Name |
Quercus rubra |
Host Type |
Associated Host |
Photo Credits |
The Netherlands Plant Protective Service |

Oleander
Oleander
June 06 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Nerium oleander |
Host Type |
Associated Host |

Oregon ash
Oregon ash
Leaf lesions. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Fraxinus latifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, Uuniversity of California, Davis |

Oregon ash
Oregon ash
Leaf lesion. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Fraxinus latifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, Uuniversity of California, Davis |

Oregon ash
Oregon ash
Leaf lesion. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Fraxinus latifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, Uuniversity of California, Davis |

Oregon grape
Oregon grape
Aug 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Berberis diversifolia=Mahonia aquifolium |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Oregon grape
Oregon grape
Aug 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Berberis diversifolia=Mahonia aquifolium |
Host Type |
Associated Host |
Photo Credits |
CFIA |

Oriental holly
Oriental holly
July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Ilex purpurea |
Host Type |
Associated Host |

Osmanthus
Osmanthus
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Osmanthus decorus (= Phillyrea decora; = P. vilmoriniana) |
Host Type |
Associated Host |

Pacific yew
Pacific yew
Wilted shoot tips. May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Pacific yew
Pacific yew
May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Pacific yew
Pacific yew
May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Pacific yew
Pacific yew
Canker exposed. May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Pacific yew
Pacific yew
Pacific yew branch. May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Pacific yew
Pacific yew
May 03 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Taxus brevifolia |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Persian ironwood
Persian ironwood
Latin Name |
Parrotia persica |
Host Type |
Regulated Host |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda County Dept. of Agriculture |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda County Dept. of Agriculture |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda County Dept. of Agriculture |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Steve Ashby, Department of Environment Food and Rural Affairs, (DEFRA) United Kingdom |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Steve Ashby, Department of Environment Food and Rural Affairs, (DEFRA) United Kingdom |

Pieris
Pieris
Latin Name |
Pieris spp. |
Host Type |
Regulated Host |
Photo Credits |
Steve Ashby, Department of Environment Food and Rural Affairs, (DEFRA) United Kingdom |

Planetree maple
Planetree maple
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Acer pseudoplatanus |
Host Type |
Regulated Host |

Poison oak
Poison oak
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Toxicodendron diversiloba |
Host Type |
Associated Host |
Photo Credits |
Alan Kanaskie, Oregon Department of Forestry |

Poison oak
Poison oak
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Toxicodendron diversiloba |
Host Type |
Associated Host |
Photo Credits |
Djibo ZanzotRizzo Lab, Plant Pathology Dept., UC Davis |

Poison oak
Poison oak
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Toxicodendron diversiloba |
Host Type |
Associated Host |
Photo Credits |
Djibo ZanzotRizzo Lab, Plant Pathology Dept., UC Davis |

Poison oak
Poison oak
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Toxicodendron diversiloba |
Host Type |
Associated Host |
Photo Credits |
Djibo ZanzotRizzo Lab, Plant Pathology Dept., UC Davis |

Poison oak
Poison oak
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Toxicodendron diversiloba |
Host Type |
Associated Host |
Photo Credits |
Alan Kanaskie, Oregon Department of Forestry |

Portuguese laurel cherry
Portuguese laurel cherry
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Prunus lusitanica |
Host Type |
Associated Host |

Purple magnolia
Purple magnolia
Feb 08 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia liliiflora = Magnolia quinquepeta |
Host Type |
Associated Host |

Red fir
Red fir
Jan 06 - Reported by Gary Chastagner, Washington State University, Puyallup, WA
Latin Name |
Abies magnifica |
Host Type |
Associated Host |

Red lotus tree
Red lotus tree
Aug 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Manglietia insignis |
Host Type |
Associated Host |

Red tip or Fraser's photinia
Red tip or Fraser's photinia
Healthy
Latin Name |
Photinia fraseri |
Host Type |
Regulated Host |
Photo Credits |
J.S. Peterson, USDA NRCS NPCD |

Red tip or Fraser's photinia
Red tip or Fraser's photinia
Latin Name |
Photinia fraseri |
Host Type |
Regulated Host |
Photo Credits |
Leszek Orlikowski of the Research Institute of Pomology and Floriculture, Poland |

Red tip or Fraser's photinia
Red tip or Fraser's photinia
Latin Name |
Photinia fraseri |
Host Type |
Regulated Host |
Photo Credits |
Leszek Orlikowski of the Research Institute of Pomology and Floriculture, Poland |

Redwood ivy
Redwood ivy
Inside-out flower new infections. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Vancouveria planipetala |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Redwood ivy
Redwood ivy
Inside-out flower. Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Vancouveria planipetala |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda Dept. of Agriculture |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda Dept. of Agriculture |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Ken Peek, Alameda Dept. of Agriculture |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Shane Sela, Canadian Food Inspection Agency (CFIA) |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Bruce Moltzan, Missouri Department of Conservation |

Rhododendron
Rhododendron
Latin Name |
Rhododendron spp. |
Host Type |
Regulated Host |
Photo Credits |
Hans de Gruyter, Plant Protection Service, The Netherlands |

Roble beech
Roble beech
Dec 04 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Nothofagus obliqua |
Host Type |
Associated Host |

Rugosa rose
Rugosa rose
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Rosa rugosa |
Host Type |
Associated Host |

Salal, Oregon wintergreen
Salal, Oregon wintergreen
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Gaultheria shallon |
Host Type |
Associated Host |

Salmonberry
Salmonberry
Dec 02 - Reported by Everett Hansen, Oregon State University (OSU)
Latin Name |
Rubus spectabilis |
Host Type |
Associated Host |
Photo Credits |
Everett Hansen, Oregon State University |

Saucer magnolia
Saucer magnolia
Jan 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia x soulangeana |
Host Type |
Associated Host |

Scotch Heather
Scotch Heather
Healthy
Latin Name |
Calluna vulgaris |
Host Type |
Regulated Host |
Photo Credits |
John Crellin
(www.floralimages.com) |

Scribbly gum
Scribbly gum
Aug 06 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Eucalyptus haemastoma |
Host Type |
Associated Host |

Sessile oak
Sessile oak
Healthy. Aug 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Quercus petraea |
Host Type |
Associated Host |
Photo Credits |
First Nature
(http://www.first-nature.com) |

Shreve's oak
Shreve's oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus parvula var. shrevei & all nursery grown Q. parvula |
Host Type |
Regulated Host |

Silk tassel tree, coast silk tassel
Silk tassel tree, coast silk tassel
Aug 07 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Garrya elliptica |
Host Type |
Associated Host |

Silk-tassel bush
Silk-tassel bush
Summer 2010 - reported by University of California, Davis
Latin Name |
Garrya elliptica |
Host Type |
Associated Host |
Photo Credits |
Sudden Oak Death Adaptive Management Project, UC Davis |

Southern magnolia
Southern magnolia
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia grandiflora |
Host Type |
Associated Host |
Photo Credits |
Laura Alber |

Southern magnolia
Southern magnolia
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia grandiflora |
Host Type |
Associated Host |
Photo Credits |
Laura Alber |

Southern magnolia
Southern magnolia
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Magnolia grandiflora |
Host Type |
Associated Host |
Photo Credits |
Laura Alber |

Southern red oak
Southern red oak
Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Quercus falcata |
Host Type |
Regulated Host |
Photo Credits |
Department of Environment Food and Rural Affairs (DEFRA), United Kingdom |

Spicebush
Spicebush
Leaf necrosis. May 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Calycanthus occidentales |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Spicebush
Spicebush
Leaf necrosis. May 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Calycanthus occidentales |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Spicebush
Spicebush
May 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Calycanthus occidentales |
Host Type |
Associated Host |
Photo Credits |
UC Davis Rizzo lab |

Spike witch hazel
Spike witch hazel
Nov 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Corylopsis spicata |
Host Type |
Associated Host |

Spiked speedwell
Spiked speedwell
Latin Name |
Veronica spicata Syn. Pseudolysimachion spicatum |
Host Type |
Associated Host |

Spreading euonymus
Spreading euonymus
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Euonymus kiautschovicus |
Host Type |
Associated Host |
Photo Credits |
Stephan Briere, Centre for Plant Quarantine Pests, Canadian food Inspection Agency |

Star jasmine
Star jasmine
Early dehiscence
Latin Name |
Trachelospermum jasminoides |
Host Type |
Associated Host |
Photo Credits |
S. Lewis ODA |

Star jasmine
Star jasmine
Leaf Spot
Latin Name |
Trachelospermum jasminoides |
Host Type |
Associated Host |
Photo Credits |
S. Lewis ODA |

Star magnolia
Star magnolia
Jan 05 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Magnolia stellata |
Host Type |
Associated Host |
Photo Credits |
UK Central Science Laboratory |

Strawberry tree
Strawberry tree
Symptoms on twigs seven days after inoculation with a mycelium plug of Phytophthora ramorum. Dec 02 - Reported by Gary Chastagner, Washington State University, Puyallup, WA
Latin Name |
Arbutus unedo |
Host Type |
Associated Host |
Photo Credits |
E. Moralejo & J. A. GarcÃa |

Striped bark maple
Striped bark maple
Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)
Latin Name |
Acer davidii |
Host Type |
Associated Host |

Sweet Chestnut
Sweet Chestnut
Leaf lesions
Latin Name |
Castanea sativa |
Host Type |
Regulated Host |
Photo Credits |
Sandra Denman, Forestry Commission, United Kingdom |

Sweet Chestnut
Sweet Chestnut
Leaf lesions
Latin Name |
Castanea sativa |
Host Type |
Regulated Host |
Photo Credits |
Sandra Denman, Forestry Commission, United Kingdom |

Sweet Cicely
Sweet Cicely
Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Osmorhiza berteroi |
Host Type |
Associated Host |

Sweet olive
Sweet olive
June 06 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Osmanthus fragrans |
Host Type |
Associated Host |

Sweet olive
Sweet olive
Infected
Latin Name |
Osmanthus fragrans |
Host Type |
Associated Host |
Photo Credits |
Ken Peek, Alameda County Department of Agriculture |

Sweet olive
Sweet olive
Infected
Latin Name |
Osmanthus fragrans |
Host Type |
Associated Host |
Photo Credits |
Ken Peek, Alameda County Department of Agriculture |

Sweet olive
Sweet olive
Infected
Latin Name |
Osmanthus fragrans |
Host Type |
Associated Host |
Photo Credits |
Ken Peek, Alameda County Department of Agriculture |

Tanoak
Tanoak
Canker. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Notholithocarpus densiflorus |
Host Type |
Regulated Host |
Photo Credits |
Karl Buermeyer, UC Cooperative Extension |

Tanoak
Tanoak
Bleeding. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Notholithocarpus densiflorus |
Host Type |
Regulated Host |
Photo Credits |
Karl Buermeyer, UC Cooperative Extension |

Tanoak
Tanoak
Sheperd's crook. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Notholithocarpus densiflorus |
Host Type |
Regulated Host |
Photo Credits |
John BIenapfl, University of California, Davis |

Tanoak
Tanoak
Infected tanoak with stem lesion forming. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92
Latin Name |
Notholithocarpus densiflorus |
Host Type |
Regulated Host |
Photo Credits |
John BIenapfl, University of California, Davis |

Tanoak
Tanoak
Chlorotic tanoak. Unmanufactured wood and wood products, including firewood, logs, and lumber are regulated. See 7 CFR 301.92.
Latin Name |
Notholithocarpus densiflorus |
Host Type |
Regulated Host |
Photo Credits |
John BIenapfl, University of California, Davis |

Toyon
Toyon
Latin Name |
Heteromeles arbutifolia |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Toyon
Toyon
Latin Name |
Heteromeles arbutifolia |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Toyon
Toyon
Latin Name |
Heteromeles arbutifolia |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto, UC Berkeley |

Victorian box
Victorian box
Dec 02 - Reported by Matteo Garbelotto, University of California, Berkeley (UCB)
Latin Name |
Pittosporum undulatum |
Host Type |
Associated Host |

Vine maple
Vine maple
Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Acer circinatum |
Host Type |
Associated Host |
Photo Credits |
Matthew DiLeo, University of California, Davis |

Vine maple
Vine maple
Petiole lesions. Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Acer circinatum |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Vine maple
Vine maple
Closeup of petiole legions. Feb 06 - Reported by David Rizzo, University of California, Davis (UCD)
Latin Name |
Acer circinatum |
Host Type |
Associated Host |
Photo Credits |
John Bienapfl, University of California, Davis
|

Western Hemlock
Western Hemlock
Top dieback caused by P. ramorum infecting and girdling the tops of the trees
Latin Name |
Tsuga heterophylla |
Host Type |
Other Host |
Photo Credits |
UK Forestry Commission/Forest Research |

Western maidenhair fern
Western maidenhair fern
Latin Name |
Adiantum aleuticum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western maidenhair fern
Western maidenhair fern
Latin Name |
Adiantum aleuticum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western maidenhair fern
Western maidenhair fern
Latin Name |
Adiantum aleuticum |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western maidenhair fern
Western maidenhair fern
Latin Name |
Adiantum aleuticum |
Host Type |
Regulated Host |
Photo Credits |
Bienapfl, University of California, Davis |

Western starflower
Western starflower
Latin Name |
Trientalis latifolia |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western starflower
Western starflower
Latin Name |
Trientalis latifolia |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western starflower
Western starflower
Latin Name |
Trientalis latifolia |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Western starflower
Western starflower
Latin Name |
Trientalis latifolia |
Host Type |
Regulated Host |
Photo Credits |
Matteo Garbelotto Laboratory, UC Berkeley |

White fir
White fir
Oct 05 - Reported by CA Department of Food and Agriculture (CDFA)
Latin Name |
Abies concolor |
Host Type |
Associated Host |
Photo Credits |
Tomas Pastalka, California Department of Food and Agriculture. Associated host |

Winter's bark
Winter's bark
Healthy. July 04 - Reported by Department for Environment, Food and Rural Affairs, UK (DEFRA); (April 2009) Food and Environment Research Agency (FERA)
Latin Name |
Drimys winteri |
Host Type |
Associated Host |
Photo Credits |
Cal Lemke, Univeristy of Oklahoma, Department of Botany and Microbiology |

Witch hazel
Witch hazel
Latin Name |
Hamamelis virginiana |
Host Type |
Regulated Host |
Photo Credits |
Margaret O'Donnell, Department for Environment, Food and Rural Affairs (DEFRA)
|

Wood rose
Wood rose
Stem dieback
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Wood rose
Wood rose
Leaf lesion closeup
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Wood rose
Wood rose
Leaf lesions
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Wood rose
Wood rose
Leaf lesions
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Wood rose
Wood rose
Leaf lesion closeup
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Wood rose
Wood rose
Leaf lesions
Latin Name |
Rosa gymnocarpa |
Host Type |
Regulated Host |
Photo Credits |
John Bienapfl, University of California, Davis |

Yellow anise
Yellow anise
Latin Name |
Illicium parviflorum |
Host Type |
Associated Host |

Yew
Yew
June 05 - Reported by Plant Protection Service, Wageningen, Netherlands
Latin Name |
Taxus media |
Host Type |
Associated Host |
Photo Credits |
Plant Protection Services of the Netherlands |