Phytosanitary Measures of Sudden Oak Death (SOD) Disease
1.Areas
2.Plants
  Any propagative materials except seeds (such as nursery stocks including root 
stocks, cuttings and scions), bark, and woods (including logs) with bark.Prohibited Areas Regulated Areas
[Asia]  Japan, Viet Nam
[Europe]  Belgium, Croatia, Denmark, 
Finland, France, Germany, Greece, Ireland, 
Lithuania, Netherlands, Norway, Poland, 
Portugal, Serbia, Slovak Republic, Slovenia, 
Spain, Switzerland, United Kingdom
[North America]  United States of America 
(California State: Alameda, Contra Costa, 
Del Norte, Humboldt, Lake, Marin, 
Mendocino, Monterey, Napa, San Francisco, 
San Mateo, Santa Clara, Santa Cruz, 
Solano, Sonoma, Trinity counties; Oregon 
State: Curry County)
[South America]  Argentina[North America]  United States of America 
(California and Oregon states excluding the 
prohibited areas, Washington state), Canada 
(British Columbia province)
Host Plants Associated Plants
Acer macrophyllum Abies alba
Acer pseduoplatanus Abies concolor
Adiantum aleuticum Abies grandis
Adiantum jordanii Abies magnifica
Aesculus californica Abies procera
Aesculus hippocastanum Acer circinatum
Arbutus menziesii Acer davidii
Arctostaphylos manzanita Acer laevigatum
Calluna vulgaris Arbutus unedo
Camellia spp. Arctostaphylos columbiana
Castanea sativa Arctostaphylos uva-ursi
Cinnamomum camphora Ardisia japonica
Fagus sylvatica Betula pendulaHost Plants Associated Plants
Frangula californica (=Rhamnus californica ) Calycanthus occidentalis
Frangula purshiana (=Rhamus purshiana ) Castanopsis orthacantha
Fraxinus excelsior Ceanothus thyrsiflorus
Gaultheria procumbens Chaemaecyparis lawsoniana
Griselinia littoralis Clintonia andrewsiana
Hamamelis virginiana Cornus kousa x C. capitata
Heteromeles arbutifolia Corylus cornuta
Kalmia spp. Distylium myricoides 
Larix kaempferi Drimys winteri
Laurus nobilis Dryopteris arguta
Lithocarpus densiflorus (=Notholithocarpus densiflorus )Eucalyptus haemastoma
Lonicera hispidula Euonymus kiautschovicus
Maianthemum racemosum (=Smilacina racemosa )Fraxinus latifolia
Michelia doltsopa (=Magnolia doltsopa) Gaultheria shallon
Parrotia persica Hamamelis mollis
Photinia fraseri Hamamelis x intermedia (H. mollis & H. japonica )
Pieris spp. Ilex cornuta
Pseudotsuga menziesii var. menziesii Ilex purpurea 
Quercus agrifolia Illicium parviflorum
Quercus cerris Larix decidua
Quercus chrysolepis Larix x eurolepis
Quercus falcata Leucothoe axillaris
Quercus ilex Leucothoe fontanesiana
Quercus kelloggii Loropetalum chinense
Quercus parvula var. shrevei Magnolia denudata
Rhododendron spp. Magnolia grandiflora
Rosa gymnocarpa Magnolia stellata
Salix caprea Magnolia x loebneri
Sequoia sempervirens Magnolia x soulangeana
Syringa vulgaris Mahonia nervosa (=Berberis nervosa )
Taxus baccata Manglietia insignis (=Magnolia insignis )
Trientalis latifolia Michelia maudiae (=Magnolia maudiae )
Umbellularia californica Michelia wilsonii (=Magnolia ernestii )
Vaccinium ovatum Molinadendron sinaloense
Viburnum spp. Nerium oleander
Nothofagus oblique
Osmanthus decorus 
(=Phillyrea decora =P. vilmoriniana)
Osmanthus delavayi
Osmanthus fragrans3.Phytosanitary measures
  • Importation of the relevant parts of host plants from the prohibited areas is 
prohibited.
  • Additional declaration (“The shipment was inspected and found free of 
Phytophthora ramorum ”) on Phytosanitary Certificate (PC) is required for the 
importation of;
    - The relevant parts of host plants and/or associated plants from the regulated areas
    - The relevant parts of associated plants from the prohibited areas
  • And in case of USA, the name of State and County is required on PC as an 
additional declarationHost Plants Associated Plants
Osmanthus heterophyllus
Osmorhiza berteroi
Parakmeria lotungensis (=Magnolia lotungensis )
Picea sitchensis
Pittosporum undulatum
Prunus laurocerasus
Prunus lusitanica
Pyracantha koidzumii
Quercus acuta 
Quercus petraea
Quercus phillyraeoides
Quercus robur
Quercus rubra 
Rosa spp.
Rubus spectabilis
Schima argentea
Schima wallichii
Taxus brevifolia
Taxus x media
Torreya californica
Toxicodendron diversilobum (=Rhus diversiloba )
Trachelospermum jasminoides
Tsuga heterophylla
Vaccinium myrtillus
Vancouveria planipetala
Veronica spicata (=Pseudolysimachion spicatum )