Plant Symptom Photos

Alleghany viburnum

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum, USDA

Alleghany viburnum flowering

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum. USDA

Alleghany viburnum fruiting

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum, USDA

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

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

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

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

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

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

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

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

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)

Healthy

Latin Name	Laurus nobilis
Host Type	Regulated Host
Photo Credits	John Crellin (www.floralimages.com)

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

Petiole lesion

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

Big leaf maple

Latin Name	Acer macrophyllum
Host Type	Regulated Host
Photo Credits	Matteo Garbelotto laboratory, UC Berkeley

Big leaf maple

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

Big leaf maple

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

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

Bleeding lesion caused by P. ramorum

Latin Name	Betula pedula
Host Type	Other Host
Photo Credits	UK Forestry Commission/Forest Research

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

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

Latin Name	Ilex cornuta
Host Type	Associated Host

California bay laurel

Latin Name	Umbellularia californica
Host Type	Regulated Host
Photo Credits	Rob Gross

California bay laurel

Latin Name	Umbellularia californica
Host Type	Regulated Host
Photo Credits	Rob Gross

California bay laurel

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

California bay laurel

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

California bay laurel

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

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

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 buckeye

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

California coffeeberry

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

California coffeeberry

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

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

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

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

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

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

Infected honeysuckle leaves

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

California honeysuckle

Infected honeysuckle leaves

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

California honeysuckle

Infected honeysuckle leaves

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

California maidenhair fern

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

California maidenhair fern

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

California maidenhair fern

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

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

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

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

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

May 04 - Reported by David Rizzo, University of California, Davis (UCD)

Latin Name	Dryopteris arguta
Host Type	Associated Host

Camellia - all species, hybrids and cultivars

Latin Name	Camellia spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment, Food and Rural Affairs, UK.

Camellia - all species, hybrids and cultivars

Latin Name	Camellia spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment, Food and Rural Affairs, UK.

Camellia - all species, hybrids and cultivars

Latin Name	Camellia spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment, Food and Rural Affairs, UK.

Camellia - all species, hybrids and cultivars

Latin Name	Camellia spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment, Food and Rural Affairs, UK.

Camellia - all species, hybrids and cultivars

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

Camellia - all species, hybrids and cultivars

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

Camellia - all species, hybrids and cultivars

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

Camellia - all species, hybrids and cultivars

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

Camellia - all species, hybrids and cultivars

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

Camellia - all species, hybrids and cultivars

Latin Name	Camellia japonica v. kumasaka
Host Type	Regulated Host
Photo Credits	Cheryl Blomquist, CDFA

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

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

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

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

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

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

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

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

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

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

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

Redwood tip

Latin Name	Sequoia sempervirens
Host Type	Regulated Host
Photo Credits	Matteo Garbelotto, UC Berkeley

Coast redwood

Needle and stem necrosis

Latin Name	Sequoia sempervirens
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

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

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

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

Creeping Oregon grape

Latin Name	Mahonia nervosa
Host Type	Associated Host

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

Feb 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Daphniphyllum glaucescens
Host Type	Associated Host
Photo Credits	CFIA

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

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

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

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

Twig canker

Latin Name	Pseudotsuga menziesii var. mienziesii
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

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

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

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

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

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

July 06 - Reported by Canadian Food Inspection Agency,Canada (CFIA)

Latin Name	Parakmeria lotungensis
Host Type	Associated Host

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

Latin Name	Fraxinus excelsior
Host Type	Regulated Host

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

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

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

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

Evergreen huckleberry

Shoot dieback

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

Evergreen huckleberry

Shoot dieback

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

Evergreen huckleberry

Young huckleberry shoot infection

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

Evergreen huckleberry

Dieback

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

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

Latin Name	Maiantheumum racemosum (formerly known as Smilacina racemosa)
Host Type	Regulated Host
Photo Credits	Daniel Huberli, University of California, Berkeley

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

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)

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

Healthy

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

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

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

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

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

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

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

Holly olive

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Osmanthus heterophyllus
Host Type	Associated Host

Holm oak

Foliar tree branch lesion

Latin Name	Quercus ilex
Host Type	Regulated Host
Photo Credits	Sandra Denman, Forestry Commission, United Kingdom

Holm oak

Foliar leaf necrosis

Latin Name	Quercus ilex
Host Type	Regulated Host
Photo Credits	Central Science Laboratory, Crown Copyright, United Kingdom

Holm oak

Foliar blight

Latin Name	Quercus ilex
Host Type	Regulated Host
Photo Credits	Central Science Laboratory, Crown Copyright, United Kingdom

Holm oak

Foliar aerial blight

Latin Name	Quercus ilex
Host Type	Regulated Host
Photo Credits	Central Science Laboratory, Crown Copyright, United Kingdom

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

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Rosa (specific cultivars)
Host Type	Associated Host

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

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

Dieback

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

Japanese larch

Resinosis

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

Japanese larch

Foliar symptoms

Latin Name	Larix kaempferi
Host Type	Associated Host
Photo Credits	Ben Jones, Forestry Commission, UK

Japanese larch

Foliar symptoms

Latin Name	Larix kaempferi
Host Type	Associated Host
Photo Credits	Ben Jones, Forestry Commission, UK

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

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

Feb 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia kobus
Host Type	Associated Host

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

Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Cornus kousa
Host Type	Associated Host
Photo Credits	CFIA

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

Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Cornus kousa
Host Type	Associated Host
Photo Credits	CFIA

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

Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Cornus kousa
Host Type	Associated Host
Photo Credits	CFIA

Lilac

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

Lilac

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

Lily tree

Latin Name	Magnolia denudata
Host Type	Associated Host

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

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 stem lesion

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

Madrone

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

Madrone

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

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

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 (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)

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)

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)

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)

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

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

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia maudiae =Michelia maudiae
Host Type	Associated Host

Michelia

April 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia cavalieri
Host Type	Associated Host

Michelia

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia ernestii = Michelia wilsonii
Host Type	Associated Host

Michelia

April 09 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia foveolata
Host Type	Associated Host

Michelia

Healthy

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

Molinadendron sinaloense

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

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

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

Mountain laurel - all species, hybrids and cultivars

Latin Name	Kalmia latifolia
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department for Environment Food and Rural Affairs; York, UK

Mountain laurel - all species, hybrids and cultivars

Latin Name	Kalmia latifolia
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department for Environment Food and Rural Affairs; York, UK

Myrtle-leafed Distylium

July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Distylium myricoides
Host Type	Associated Host

Ninebark

Oct 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Physocarpus opulifolius
Host Type	Associated Host

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

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Nerium oleander
Host Type	Associated Host

OLYMPUS DIGITAL CAMERA

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

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

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

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

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

July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Ilex purpurea
Host Type	Associated Host

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

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

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

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

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 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

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

Latin Name	Parrotia persica
Host Type	Regulated Host

Pieris

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

Pieris

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

Pieris

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

Pieris

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

Pieris

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

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

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

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

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

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

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

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

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Prunus lusitanica
Host Type	Associated Host

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

Jan 06 - Reported by Gary Chastagner, Washington State University, Puyallup, WA

Latin Name	Abies magnifica
Host Type	Associated Host

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

Healthy

Latin Name	Photinia fraseri
Host Type	Regulated Host
Photo Credits	J.S. Peterson, USDA NRCS NPCD

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

Latin Name	Photinia fraseri
Host Type	Regulated Host
Photo Credits	Leszek Orlikowski of the Research Institute of Pomology and Floriculture, Poland

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

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

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

Rhododendron

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

Rhododendron

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

Rhododendron

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

Rhododendron

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

Rhododendron

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

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

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Rosa rugosa
Host Type	Associated Host

Salal, Oregon wintergreen

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Gaultheria shallon
Host Type	Associated Host

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

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

Healthy

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

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

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

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

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

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

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia grandiflora
Host Type	Associated Host
Photo Credits	Laura Alber

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

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

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

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

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

Nov 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Corylopsis spicata
Host Type	Associated Host

Spiked speedwell

Latin Name	Veronica spicata Syn. Pseudolysimachion spicatum
Host Type	Associated Host

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

Early dehiscence

Latin Name	Trachelospermum jasminoides
Host Type	Associated Host
Photo Credits	S. Lewis ODA

Star jasmine

Leaf Spot

Latin Name	Trachelospermum jasminoides
Host Type	Associated Host
Photo Credits	S. Lewis ODA

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

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. García

Striped bark maple

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Acer davidii
Host Type	Associated Host

Sweet Chestnut

Leaf lesions

Latin Name	Castanea sativa
Host Type	Regulated Host
Photo Credits	Sandra Denman, Forestry Commission, United Kingdom

Sweet Chestnut

Leaf lesions

Latin Name	Castanea sativa
Host Type	Regulated Host
Photo Credits	Sandra Denman, Forestry Commission, United Kingdom

Sweet Cicely

Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)

Latin Name	Osmorhiza berteroi
Host Type	Associated Host

Sweet olive

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Osmanthus fragrans
Host Type	Associated Host

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

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

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

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

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

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

Toyon

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

Toyon

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

Viburnum - all species, hybrids and cultivars

Latin Name	Viburnum spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment Food and Rural Affairs, UK

Victorian box

Dec 02 - Reported by Matteo Garbelotto, University of California, Berkeley (UCB)

Latin Name	Pittosporum undulatum
Host Type	Associated Host

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

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

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

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

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

Western maidenhair fern

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

Western maidenhair fern

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

Western maidenhair fern

Latin Name	Adiantum aleuticum
Host Type	Regulated Host
Photo Credits	Bienapfl, University of California, Davis

Western starflower

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

Western starflower

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

Western starflower

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

Western starflower

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

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

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

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

Wood rose

Stem dieback

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Wood rose

Leaf lesion closeup

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Wood rose

Leaf lesions

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Wood rose

Leaf lesions

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Wood rose

Leaf lesion closeup

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Wood rose

Leaf lesions

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Yellow anise

Latin Name	Illicium parviflorum
Host Type	Associated Host

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

Common Name

Scientific Name

Alleghany viburnum

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum, USDA

Viburnum x rhytidophylloides

Alleghany viburnum flowering

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum. USDA

Viburnum x rhytidophylloides

Alleghany viburnum fruiting

Healthy

Latin Name	Viburnum x rhytidophylloides
Host Type	Regulated Host
Photo Credits	The U.S. National Arboretum, USDA

Viburnum x rhytidophylloides

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)

Viburnum opulus (=V. trilobum)

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

Clintonia andrewsiana

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

Magnolia salicifolia = Magnolia proctoriana

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 japonica

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

Magnolia (Michelia) figo

Bay laurel (L. nobilis)

Healthy

Latin Name	Laurus nobilis
Host Type	Regulated Host
Photo Credits	John Crellin (www.floralimages.com)

Laurus nobilis

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

Ribes laurifolium

Big leaf maple

Petiole lesion

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

Acer macrophyllum

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

Vaccinium myrtilus

Birch

Bleeding lesion caused by P. ramorum

Latin Name	Betula pedula
Host Type	Other Host
Photo Credits	UK Forestry Commission/Forest Research

Betula pedula

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

Ceanothus thyrsiflorus

Buford holly

Latin Name	Ilex cornuta
Host Type	Associated Host

Ilex cornuta

California bay laurel

Latin Name	Umbellularia californica
Host Type	Regulated Host
Photo Credits	Rob Gross

Umbellularia californica

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

Quercus kelloggii

California buckeye

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

Aesculus californica

California coffeeberry

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

Frangula californica = Rhamnus purshiana

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

Corylus Cornuta

California honeysuckle

Infected honeysuckle leaves

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

Lonicera hispidula

California maidenhair fern

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

Adiantum jordanii

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

Torreya californica

California wood fern

May 04 - Reported by David Rizzo, University of California, Davis (UCD)

Latin Name	Dryopteris arguta
Host Type	Associated Host

Dryopteris arguta

Camellia - all species, hybrids and cultivars

Latin Name	Camellia spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment, Food and Rural Affairs, UK.

Camellia spp.

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

Cinnamomum camphora

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

Quercus chrysolepis

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

Castanopsis orthacantha

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

Schima wallichii

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

Cercis chinensis

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

Hamamelis mollis

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

Quercus agrifolia

Coast redwood

Redwood tip

Latin Name	Sequoia sempervirens
Host Type	Regulated Host
Photo Credits	Matteo Garbelotto, UC Berkeley

Sequoia sempervirens

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

Cornus kousa x Cornus capitata

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

Vaccinium vitis-idaea

Creeping Oregon grape

Latin Name	Mahonia nervosa
Host Type	Associated Host

Mahonia nervosa

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

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

Osmanthus delavayi

Douglas-fir

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

Pseudotsuga menziesii var. mienziesii

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

Leucothoe fontanesiana

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

Prunus laurocerasus 'Nana'

Eastern joy lotus tree

July 06 - Reported by Canadian Food Inspection Agency,Canada (CFIA)

Latin Name	Parakmeria lotungensis
Host Type	Associated Host

Parakmeria lotungensis

English laurel, cherry laurel

Jan 07 - Reported by Washington State Department of Agriculture, Olympia, WA

Latin Name	Prunus laurocerasus
Host Type	Associated Host

Prunus laurocerasus

European ash

Latin Name	Fraxinus excelsior
Host Type	Regulated Host

Fraxinus excelsior

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

Fagus sylvatica

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

Ilex aquifolium

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

Quercus cerris

European yew

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

Taxus baccata

Evergreen huckleberry

Shoot dieback

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

Vaccinium ovatum

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)

Acer laevigatum

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

Maiantheumum racemosum (formerly known as Smilacina racemosa)

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

Leucothoe axillaris

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)

Pyracantha koidzumii

Goat willow

Healthy

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

Salix caprea

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

Abies grandis

Grand Fir

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

Abies grandis

Griselinia

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

Griselinia littoralis

Holly olive

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Osmanthus heterophyllus
Host Type	Associated Host

Osmanthus heterophyllus

Holm oak

Foliar tree branch lesion

Latin Name	Quercus ilex
Host Type	Regulated Host
Photo Credits	Sandra Denman, Forestry Commission, United Kingdom

Quercus ilex

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

Aesculus hippocastanum

Hybrid roses

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Rosa (specific cultivars)
Host Type	Associated Host

Rosa (specific cultivars)

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

Hamamelis x Intermedia (H. mollis & H. japonica)

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

Quercus acuta

Japanese larch

Dieback

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

Larix kaempferi

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

Lithocarpus glaber

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

Arctostaphylos uva-ursi

Kobus magnolia

Feb 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia kobus
Host Type	Associated Host

Magnolia kobus

Kousa dogwood

Sep 08 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Cornus kousa
Host Type	Associated Host
Photo Credits	CFIA

Cornus kousa

Lilac

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

Syringa vulgaris

Lily tree

Latin Name	Magnolia denudata
Host Type	Associated Host

Magnolia denudata

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

Magnolia x loebneri

Loropetalum

July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Loropetalum chinense
Host Type	Associated Host
Photo Credits	Cheryl Blomquist, CDFA

Loropetalum chinense

Madrone

Madrone stem lesion

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

Arbutus menziesii

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 x thompsoniana (M. tripetala and M. virginiana)

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

Arctostaphylos columbiana

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

Arctostaphylos manzanita (inoculated)

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

Choisya ternate

Michelia

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia maudiae =Michelia maudiae
Host Type	Associated Host

Magnolia maudiae =Michelia maudiae

Molinadendron sinaloense

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

Molinadendron sinaloense

Mountain laurel

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

Kalmia latifolia

Mountain laurel - all species, hybrids and cultivars

Latin Name	Kalmia latifolia
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department for Environment Food and Rural Affairs; York, UK

Kalmia latifolia

Myrtle-leafed Distylium

July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Distylium myricoides
Host Type	Associated Host

Distylium myricoides

Ninebark

Oct 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Physocarpus opulifolius
Host Type	Associated Host

Physocarpus opulifolius

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

Quercus rubra

Oleander

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Nerium oleander
Host Type	Associated Host

Nerium oleander

OLYMPUS DIGITAL CAMERA

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

Fraxinus latifolia

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

Berberis diversifolia=Mahonia aquifolium

Oriental holly

July 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Ilex purpurea
Host Type	Associated Host

Ilex purpurea

Osmanthus

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Osmanthus decorus (= Phillyrea decora; = P. vilmoriniana)
Host Type	Associated Host

Osmanthus decorus (= Phillyrea decora; = P. vilmoriniana)

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

Taxus brevifolia

Persian ironwood

Latin Name	Parrotia persica
Host Type	Regulated Host

Parrotia persica

Pieris

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

Pieris spp.

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

Acer pseudoplatanus

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

Toxicodendron diversiloba

Portuguese laurel cherry

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Prunus lusitanica
Host Type	Associated Host

Prunus lusitanica

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

Magnolia liliiflora = Magnolia quinquepeta

Red fir

Jan 06 - Reported by Gary Chastagner, Washington State University, Puyallup, WA

Latin Name	Abies magnifica
Host Type	Associated Host

Abies magnifica

Red lotus tree

Aug 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Manglietia insignis
Host Type	Associated Host

Manglietia insignis

Red tip or Fraser's photinia

Healthy

Latin Name	Photinia fraseri
Host Type	Regulated Host
Photo Credits	J.S. Peterson, USDA NRCS NPCD

Photinia fraseri

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

Vancouveria planipetala

Rhododendron

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

Rhododendron spp.

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

Nothofagus obliqua

Rugosa rose

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Rosa rugosa
Host Type	Associated Host

Rosa rugosa

Salal, Oregon wintergreen

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Gaultheria shallon
Host Type	Associated Host

Gaultheria shallon

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

Rubus spectabilis

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

Magnolia x soulangeana

Scotch Heather

Healthy

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

Calluna vulgaris

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

Eucalyptus haemastoma

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)

Quercus petraea

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

Quercus parvula var. shrevei & all nursery grown Q. parvula

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

Garrya elliptica

Southern magnolia

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Magnolia grandiflora
Host Type	Associated Host
Photo Credits	Laura Alber

Magnolia grandiflora

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

Quercus falcata

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

Calycanthus occidentales

Spike witch hazel

Nov 07 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Corylopsis spicata
Host Type	Associated Host

Corylopsis spicata

Spiked speedwell

Latin Name	Veronica spicata Syn. Pseudolysimachion spicatum
Host Type	Associated Host

Veronica spicata Syn. Pseudolysimachion spicatum

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

Euonymus kiautschovicus

Star jasmine

Early dehiscence

Latin Name	Trachelospermum jasminoides
Host Type	Associated Host
Photo Credits	S. Lewis ODA

Trachelospermum jasminoides

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

Magnolia stellata

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. García

Arbutus unedo

Striped bark maple

Jan 06 - Reported by Canadian Food Inspection Agency, Canada (CFIA)

Latin Name	Acer davidii
Host Type	Associated Host

Acer davidii

Sweet Chestnut

Leaf lesions

Latin Name	Castanea sativa
Host Type	Regulated Host
Photo Credits	Sandra Denman, Forestry Commission, United Kingdom

Castanea sativa

Sweet Cicely

Aug 05 - Reported by David Rizzo, University of California, Davis (UCD)

Latin Name	Osmorhiza berteroi
Host Type	Associated Host

Osmorhiza berteroi

Sweet olive

June 06 - Reported by CA Department of Food and Agriculture (CDFA)

Latin Name	Osmanthus fragrans
Host Type	Associated Host

Osmanthus fragrans

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

Notholithocarpus densiflorus

Toyon

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

Heteromeles arbutifolia

Viburnum - all species, hybrids and cultivars

Latin Name	Viburnum spp.
Host Type	Regulated Host
Photo Credits	Steve Ashby, Department of Environment Food and Rural Affairs, UK

Viburnum spp.

Victorian box

Dec 02 - Reported by Matteo Garbelotto, University of California, Berkeley (UCB)

Latin Name	Pittosporum undulatum
Host Type	Associated Host

Pittosporum undulatum

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

Acer circinatum

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

Tsuga heterophylla

Western maidenhair fern

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

Adiantum aleuticum

Western starflower

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

Trientalis latifolia

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

Abies concolor

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

Drimys winteri

Witch hazel

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

Hamamelis virginiana

Wood rose

Stem dieback

Latin Name	Rosa gymnocarpa
Host Type	Regulated Host
Photo Credits	John Bienapfl, University of California, Davis

Rosa gymnocarpa

Yellow anise

Latin Name	Illicium parviflorum
Host Type	Associated Host

Illicium parviflorum

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

Taxus media

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