§ 301.92-2 - Restricted, regulated, and associated articles; lists of proven hosts and associated plant taxa.

§ 301.92-2 Restricted, regulated, and associated articles; lists of proven hosts and associated plant taxa.

Cross Reference

Link to an amendment published at 87 FR 80018, Dec. 29, 2022.

(a) Restricted articles. The following are restricted articles:

(1) Bark chips or mulch ^[3] located in a quarantined area and that are proven host plant taxa listed in accordance with paragraph (d) of this section.

(2) Forest stock located or grown in a quarantined area and that are proven host plant taxa or associated plant taxa listed in accordance with paragraph (d) or (e) of this section.

(3) Any other product or article that an inspector determines to present a risk of spreading Phytophthora ramorum, if an inspector notifies the person in possession of the product or article that it is a restricted article.

(b) Regulated articles. The following are regulated articles:

(1) Nursery stock, decorative trees without roots, unprocessed wood and wood products, and plant products, including firewood, logs, lumber, ^[4] wreaths, garlands, and greenery of proven host plant taxa listed in accordance with paragraph (d) of this section.

(2) Soil and growing media.

(3) Any other product or article that an inspector determines to present a risk of spreading Phytophthora ramorum if an inspector notifies the person in possession of the product or article that it is subject to the restrictions in the regulations.

(c) Associated articles. The following are associated articles: Nursery stock of associated plant taxa listed in accordance with paragraph (e) of this section.

(d) Proven host plant taxa. The following Administrator has determined that certain taxa of plants are proven hosts of Phytophthora ramorum:

*Acer macrophyllum Bigleaf maple

Acer pseudoplatanus Planetree maple

*Adiantum aleuticum Western maidenhair fern

*Adiantum jordanii California maidenhair fern

*Aesculus californica California buckeye

Aesculus hippocastanum horse chestnut

*Arbutus menziesii Madrone

*Arctostaphylos manzanita Manzanita

*Calluna vulgaris Scotch heather

*Camellia spp. Camellia - all species, hybrids and cultivars

*Castanea sativa Sweet chestnut

*Cinnamomum camphora Camphor tree

Fagus sylvatica European beech

*Frangula californica (≡Rhamnus californica) California coffeeberry

*Frangula purshiana (≡Rhamnus purshiana) Cascara

Fraxinus excelsior European ash

*Gaultheria procumbens, Eastern teaberry

*Griselinia littoralis Griselinia

*Hamamelis virginiana Witch hazel

*Heteromeles arbutifolia Toyon

*Kalmia spp. Kalmia - includes all species, hybrids, and cultivars

*Laurus nobilis Bay laurel

Lithocarpus densiflorus Tanoak

*Lonicera hispidula California honeysuckle

*Maianthemum racemosum (=Smilacina racemosa) False Solomon's seal

*Michelia doltsopa Michelia

*Parrotia persica Persian ironwood

*Photinia fraseri Red tip photinia

*Pieris spp. Pieris - includes all species, hybrids, and cultivars

*Pseudotsuga menziesii var. menziesii and all nursery-grown P. menziesii Douglas fir

Quercus agrifolia Coast live oak

Quercus cerris European turkey oak

Quercus chrysolepis Canyon live oak

Quercus falcata Southern red oak

*Quercus ilex Holm oak

Quercus kelloggii California black oak

Quercus parvula var. shrevei and all nursery grown Q. parvula Shreve's oak

*Rhododendron spp. Rhododendron (including azalea) - includes all species, hybrids, and cultivars

*Rosa gymnocarpa Wood rose

*Salix caprea Goat willow

*Sequoia sempervirens Coast redwood

*Syringa vulgaris Lilac

*Taxus baccata European yew

*Trientalis latifolia Western starflower

*Umbellularia californica California bay laurel, pepperwood, Oregon myrtle

*Vaccinium ovatum Evergreen huckleberry

*Viburnum spp. Viburnum-all species, hybrids, and cultivars

. A list of all such proven host taxa is located on the internet at www.aphis.usda.gov/aphis/ourfocus/planthealth/plant-pest-and-disease-programs/pests-and-diseases/phytophthora-ramorum/sod. Lists of all proven host taxa may also be obtained by request from any local Plant Protection and Quarantine (PPQ) office; local offices are listed in telephone directories and on the internet at www.aphis.usda.gov/aphis/ourfocus/planthealth/ppq-program-overview/sphd. If the Administrator determines that a taxon not already listed at www.aphis.usda.gov/aphis/ourfocus/planthealth/plant-pest-and-disease-programs/pests-and-diseases/phytophthora-ramorum/sod is a proven host of Phytophthora ramorum, APHIS will publish a notice in the Federal Register proposing to designate the taxon as a proven host of Phytophthora ramorum. The notice will provide the basis for this determination, and will request public comment. If no comments are received on the notice, or if the comments do not change the Administrator's determination, APHIS will publish a second notice in the Federal Register designating the taxon as a proven host of Phytophthora ramorum and listing it.

(e) Associated plant taxa. The following Administrator has determined that certain plant taxa are considered to be associated with Phytophthora ramorum:

Abies concolor White fir

Abies grandis Grand fir

Abies magnifica Red fir

Acer circinatum Vine maple

Acer davidii Striped bark maple

Acer laevigatum Evergreen maple

Arbutus unedo Strawberry tree

Arctostaphylos columbiana Manzanita

Arctostaphylos uva-ursi Kinnikinnick, bearberry

Ardisia japonica Ardisia

Calycanthus occidentalis Spicebush

Castanopsis orthacantha Castanopsis

Ceanothus thyrsiflorus Blueblossom

Cinnamomum camphora Camphor tree

Clintonia andrewsiana Andrew's clintonia bead lily

Cornus kousa × Cornus capitata Cornus Norman Haddon

Corylus cornuta California hazelnut

Distylium myricoides Myrtle-leafed distylium

Drimys winteri Winter's bark

Dryopteris arguta California wood fern

Eucalyptus haemastoma Scribbly gum

Euonymus kiautschovicus Spreading euonymus

Fraxinus latifolia Oregon ash

Gaultheria shallon Salal, Oregon wintergreen

Hamamelis mollis Chinese witch-hazel

Hamamelis × intermedia (H. mollis & H. japonica) Hybrid witchhazel

Ilex cornuta Buford holly, Chinese holly

Ilex purpurea Oriental holly

Illicium parviflorum Yellow anise

Larix kaempferi Japanese larch

Leucothoe axillaris Fetter-bush, dog hobble

Leucothoe fontanesiana Drooping leucothoe

Loropetalum chinense Lorapetalum

Magnolia denudata Lily tree

Magnolia grandiflora Southern magnolia

Magnolia stellata Star magnolia

Magnolia × loebneri Loebner magnolia

Magnolia × soulangeana Saucer magnolia

Mahonia nervosa Creeping Oregon grape

Manglietia insignis Red lotus tree

Michelia maudiae Michelia

Michelia wilsonii Michelia

Molinadendron sinaloense

Nerium oleander Oleander

Nothofagus obliqua Roble beech

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

Osmanthus delavayi Delavay Osmanthus, Delavay tea olive

Osmanthus fragrans Sweet olive

Osmanthus heterophyllus Holly olive

Osmorhiza berteroi Sweet Cicely

Parakmeria lotungensis Eastern joy lotus tree

Pittosporum undulatum Victorian box

Prunus laurocerasus English laurel, cherry laurel

Prunus lusitanica Portuguese laurel cherry

Pyracantha koidzumii Formosa firethorn

Quercus acuta Japanese evergreen oak

Quercus petraea Sessile oak

Quercus rubra Northern red oak

Rosa (specific cultivars)

Royal Bonica (tagged: “MEImodac”)

Pink Meidiland (tagged: “MEIpoque”)

Pink Sevillana (tagged: “MEIgeroka”)

Rosa rugosa Rugosa rose

Rubus spectabilis Salmonberry

Schima wallichii Chinese guger tree

Taxus brevifolia Pacific yew

Taxus × media Yew

Torreya californica California nutmeg

Toxicodendron diversilobum Poison oak

Trachelospermum jasminoides Star jasmine, confederate jasmine

Vancouveria planipetala Redwood ivy

Veronica spicata Syn. Pseudolysimachion spicatum Spiked speedwell

. A list of all such taxa is located on the internet at www.aphis.usda.gov/aphis/ourfocus/planthealth/plant-pest-and-disease-programs/pests-and-diseases/phytophthora-ramorum/sod. Lists of all associated taxa may also be obtained by request from any local PPQ office; local offices are listed in telephone directories and on the internet at www.aphis.usda.gov/aphis/ourfocus/planthealth/ppq-program-overview/sphd. If the Administrator determines that a taxon not already listed at www.aphis.usda.gov/aphis/ourfocus/planthealth/plant-pest-and-disease-programs/pests-and-diseases/phytophthora-ramorum/sod is associated with Phytophthora ramorum, APHIS will publish a notice in the Federal Register proposing to designate the taxon as associated with Phytophthora ramorum. The notice will provide the basis for this determination, and will request public comment. If no comments are received on the notice, or if the comments do not change the Administrator's determination, APHIS will publish a second notice in the Federal Register designating the taxon as associated with Phytophthora ramorum and listing it.

[72 FR 8597, Feb. 27, 2007, as amended at 84 FR 16192, Apr. 18, 2019]

Footnotes - 301.92-2

^[3] Bark chips or mulch of species listed in paragraph (d) of this section and that are marked with an asterisk (*) are not restricted articles.

^[4] Firewood, logs, and lumber of species listed in paragraph (d) of this section and that are marked with an asterisk (*) are not regulated articles.

; 87 FR 80018, Dec. 29, 2022]