Title 7

SECTION 301.92-2

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.

(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 paragraph (d) of this section.

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.

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

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.

(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 paragraph (e) of this section.

(d) Proven host plant taxa. The following 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

(e) Associated plant taxa. The following 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 [72 FR 8597, Feb. 27, 2007, as amended at 84 FR 16192, Apr. 18, 2019]