| Acer rufinerve (grey snake-bark maple) | Widely raised and available from nurseries |
Yes
| | |
| Adelges tsugae (hemlock woolly adelgid) | Adelges tsugae was inadvertently shipped to Maine from Connecticut on untreated nursery stock in 199 |
Yes
| | |
| Aedes albopictus (Asian tiger mosquito) | |
Yes
| | |
| Ageratum houstonianum (Blue billygoatweed) | Plants sold for gardens. | |
Yes
| |
| Agrilus planipennis (emerald ash borer) | |
Yes
|
Yes
| Cappaert et al.,
2005; Poland and McCullough,
2006 |
| Akebia quinata (five-leaf akebia) | Intentional introduction |
Yes
| | Swearingen et al.,
2009; USDA-ARS,
2013 |
| Albizia chinensis (Chinese albizia) | | |
Yes
| |
| Alpinia purpurata (red ginger) | Ornamental |
Yes
|
Yes
| |
| Alpinia zerumbet (shell ginger) | |
Yes
|
Yes
| Ibrahim,
2001 |
| Alternanthera bettzickiana (calico plant) | Available at some nurseries. | |
Yes
| |
| Ampelopsis arborea (peppervine) | |
Yes
|
Yes
| |
| Amphisbaena fuliginosa (speckled worm lizard) | Possible pathway | |
Yes
| Murphy et al.,
2010 |
| Amynthas agrestis (crazy worm) | Movement with soil or other organic material accompanying plants |
Yes
|
Yes
| Cappaert et al.,
2005; Görres and Melnichuk,
2012 |
| Anolis cristatellus (Puerto Rican crested anole) | In ornamental flowers |
Yes
| | Perry et al.,
2006; Yokoyama,
2012 |
| Anolis extremus (Barbados anole) | Possible for Florida, USA introduction |
Yes
| | Bartlett and Bartlett,
1998 |
| Anoplolepis gracilipes (yellow crazy ant) | |
Yes
| | |
| Antigonon leptopus (coral vine) | Seeds and plants sold online and in nurseries |
Yes
|
Yes
| Burke and DiTommaso,
2011 |
| Ardisia elliptica (shoebutton ardisia) | |
Yes
| | PIER,
2009 |
| Argyreia nervosa (elephant creeper) | Available at nurseries and advertised over internet | |
Yes
| Wynman,
1944 |
| Aronia x prunifolia | |
Yes
|
Yes
| |
| Arthurdendyus triangulatus (New Zealand flatworm) | Importation of containerised plants from New Zealand seems the most likely mechanism of invasion |
Yes
|
Yes
| Blackshaw and Stewart,
1992; Cannon et al.,
1999; Dynes et al.,
2001; Stewart and Blackshaw,
1993; Willis and Edwards,
1977 |
| Arundo donax (giant reed) | |
Yes
|
Yes
| Dudley,
2000 |
| Asparagus asparagoides (bridal creeper) | |
Yes
|
Yes
| Brookes and Barley,
1992; Mulvaney,
1991 |
| Asparagus densiflorus (asparagus fern) | |
Yes
|
Yes
| |
| Asparagus setaceus (asparagus fern) | ornamental |
Yes
|
Yes
| USDA-ARS,
2016 |
| Aulacaspis yasumatsui (cycad aulacaspis scale) | |
Yes
|
Yes
| |
| Austropuccinia psidii (myrtle rust) | Accidental, on infected plant material |
Yes
|
Yes
| Carnegie and Cooper,
2011; Kawanishi et al.,
2009; Loope,
2010; Loope et al.,
2007; Zambino and Nolan,
2012 |
| Bactericera cockerelli (tomato/potato psyllid) | |
Yes
| | |
| Bauhinia monandra (Napoleon's plume) | Often planted as ornamental |
Yes
|
Yes
| Connor,
2002 |
| Bauhinia tomentosa (yellow bauhinia) | Widely cultivated as ornamental |
Yes
| | Orwa et al.,
2009 |
| Brachypodium sylvaticum (slender false brome) | Not documented but possible |
Yes
|
Yes
| |
| Briza maxima (large quaking grass) | |
Yes
|
Yes
| |
| Brugmansia suaveolens (white angel's trumpet) | |
Yes
|
Yes
| |
| Buddleja asiatica (dog tail) | For use as medicinal plant or ornamental |
Yes
| | Plants for a Future,
2013 |
| Buddleja davidii (butterfly bush) | |
Yes
|
Yes
| |
| Caladium bicolor (heart of Jesus) | Widely commercialized in the horticulture trade |
Yes
|
Yes
| Deng,
2012 |
| Callisia fragrans (basketplant) | |
Yes
| | |
| Callisia repens (creeping inch-plant) | |
Yes
|
Yes
| USDA-ARS,
2013 |
| Cameraria ohridella (horsechestnut leafminer) | |
Yes
|
Yes
| Gilbert et al.,
2005 |
| Candidatus Phytoplasma asteris (yellow disease phytoplasmas) | |
Yes
|
Yes
| |
| Candidatus Phytoplasma australiense | |
Yes
|
Yes
| |
| Candidatus Phytoplasma rubi (witches'-broom phytoplasma disease) | |
Yes
|
Yes
| |
| Candidatus Phytoplasma solani (Stolbur phytoplasma) | Transmission by vegetative multiplication of infected plant material is most important for the spread of phytoplasma diseases over long distances and the establishment of initial foci of infection in new growing areas |
Yes
| | Belli et al.,
2010 |
| Canna indica (canna lilly) | |
Yes
|
Yes
| |
| Cardiospermum grandiflorum (balloon vine) | Commercialized as ornamental |
Yes
|
Yes
| Henderson,
2001 |
| Carpobrotus edulis (hottentot fig) | |
Yes
|
Yes
| |
| Catharanthus roseus (Madagascar periwinkle) | Often commercialized as ornamental |
Yes
|
Yes
| USDA-ARS,
2015 |
| Centaurea macrocephala (giant knapweed) | |
Yes
| | |
| Chilo suppressalis (striped rice stem borer) | |
Yes
|
Yes
| |
| Chrysomyxa abietis (needle rust of fir) | |
Yes
| | Spaulding,
1961 |
| Chrysomyxa rhododendri (European Rhododendron rust) | |
Yes
|
Yes
| Bennell,
1985; Gould et al.,
1955 |
| Conium maculatum (poison hemlock) | |
Yes
|
Yes
| |
| Cordyline fruticosa (ti plant) | | |
Yes
| |
| Cosmos caudatus (wild cosmos) | Popular garden plant |
Yes
|
Yes
| |
| Cosmos sulphureus (sulphur cosmos) | |
Yes
|
Yes
| Jansen,
2005 |
| Costus spicatus (spiked spiralflag ginger) | Plants commercialized as ornamentals |
Yes
|
Yes
| |
| Cotoneaster horizontalis (wall-spray) | |
Yes
|
Yes
| |
| Crassula helmsii (Australian swamp stonecrop) | |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Crassula ovata (jade plant) | Collected from wild for illegal succulent trade |
Yes
|
Yes
| Fragoso et al.,
1999 |
| Crataegus monogyna (hawthorn) | |
Yes
|
Yes
| Alverson and Sigg,
2008 |
| Crocosmia x crocosmiiflora (montbretia) | Many ornamental cultivars developed |
Yes
|
Yes
| The Royal Horticultural Society,
2016 |
| Cryptostegia madagascariensis (Madagascar rubbervine) | This species is still sold in the nursery and landscape trade |
Yes
|
Yes
| PIER,
2012 |
| Cucumber green mottle mosaic virus | Important method of movement of the virus between regions or across adjacent national land borders |
Yes
|
Yes
| |
| Cupressus arizonica (Arizona cypress) | |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Cuscuta campestris (field dodder) | |
Yes
|
Yes
| |
| Cyclosorus parasiticus (parasitic maiden fern) | Presumed cause. Congeners known to be transported between greenhouses as contaminants |
Yes
|
Yes
| Murakami et al.,
2007 |
| Cydalima perspectalis (box tree moth) | Likely pathway of introduction to Europe |
Yes
| | Leuthardt et al.,
2010 |
| Cynoglossum amabile (Chinese forget-me-not) | |
Yes
|
Yes
| Dave’s Garden,
2017 |
| Cyperus imbricatus (shingle flatsedge) | Planted as ornamental |
Yes
|
Yes
| USDA-ARS,
2013 |
| Cyrtomium falcatum (Japanese holly fern) | |
Yes
|
Yes
| |
| Datura innoxia (downy thorn apple) | |
Yes
|
Yes
| |
| Deparia petersenii subsp. petersenii (Petersen’s lady fern) | Nursery culture may result in spore distribution in new and distant regions |
Yes
|
Yes
| |
| Desmodium incanum (creeping beggerweed) | If promoted for forage and erosion control, it could be a weedy contaminant of other plants and soil |
Yes
|
Yes
| |
| Dieffenbachia seguine (dumb cane) | | |
Yes
| Croat,
2004 |
| Discus rotundatus (rotund disc) | Sylviculture nurseries |
Yes
| | Herbert,
2010 |
| Dolichandra unguis-cati (cat's claw creeper) | Widely cultivated as ornamental |
Yes
|
Yes
| USDA-ARS,
2016 |
| Dombeya wallichii (pink ball) | Available at nurseries and for trade by gardeners |
Yes
|
Yes
| Cappaert et al.,
2005 |
| East Asian Passiflora virus | |
Yes
|
Yes
| |
| Eichhornia paniculata (Brazilian water hyacinth) | Water gardens |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Elaeagnus pungens (thorny olive) | |
Yes
|
Yes
| Miller,
2003 |
| Eleutherodactylus planirostris (greenhouse frog) | Adults, juveniles and eggs are shipped over long distances and locally to nursery sites |
Yes
|
Yes
| Cappaert et al.,
2005; Dinsmore,
2004; Jensen et al.,
2008; Kraus et al.,
1999; Cappaert et al.,
2005 |
| Epiphyas postvittana (light brown apple moth) | |
Yes
| | |
| Erionota torus (banana skipper) | Local movement of planting material will facilitate the movement of associated early stages. | |
Yes
| Cock,
2015 |
| Erwinia amylovora (fireblight) | See introduction to Bologna (Italy) for example. |
Yes
|
Yes
| Bonn and Zwet,
2000 |
| Etlingera elatior (torch ginger) | Widely commercialized |
Yes
|
Yes
| PROTA,
2014 |
| Eugenia uniflora (Surinam cherry) | |
Yes
|
Yes
| |
| Euonymus fortunei (wintercreeper) | Many nurseries stock the plant |
Yes
|
Yes
| ISSG,
2013 |
| Euonymus japonicus (Japanese spindle tree) | |
Yes
|
Yes
| |
| Euphorbia tirucalli (Indian-tree spurge) | Widely planted for ornamental purposes |
Yes
|
Yes
| USDA-ARS,
2016 |
| Euphorbia tithymaloides (devil's backbone) | Ornamental |
Yes
|
Yes
| Arnold,
2010 |
| Ferrisia virgata (striped mealybug) | Accidental introduction on plants, and also on machinery, tools and workers |
Yes
|
Yes
| |
| Ficus religiosa (sacred fig tree) | |
Yes
|
Yes
| Mabberly,
2008; Starr et al.,
2003; USDA-ARS,
2014; Whistler,
2000 |
| Flacourtia indica (governor's plum) | | |
Yes
| |
| Forficula auricularia (European earwig) | accidental; nymphs and adults |
Yes
|
Yes
| Crumb et al.,
1941; Weems and Skelley,
2010 |
| Frankliniella occidentalis (western flower thrips) | Inadvertently transported in infested plant material. Commonly intercepted on transported plant mate |
Yes
|
Yes
| Nickle,
2003; Vierbergen,
1995 |
| Fraxinus uhdei (tropical ash) | | |
Yes
| |
| Furcraea foetida (Mauritius hemp) | Xeric landscaping plant |
Yes
|
Yes
| |
| Fusicladium effusum (pecan scab) | |
Yes
|
Yes
| |
| Galinsoga parviflora (gallant soldier) | Weed in nurseries |
Yes
|
Yes
| Damalas,
2008 |
| Galinsoga quadriradiata (shaggy soldier) | Common weed in nurseries |
Yes
|
Yes
| Kabuce and Priede,
2010 |
| Galphimia glauca (goldshower ) | Cultivated and commercialized as an ornamental |
Yes
|
Yes
| Floridata,
2015 |
| Glechoma hederacea (ground ivy) | |
Yes
|
Yes
| |
| Glyceria maxima (reed sweet-grass) | Seedlings sold in Victoria in the 1940s |
Yes
|
Yes
| Gippsland and Northern Co-operative CoLtd,
1940 |
| Gunnera tinctoria (giant rhubarb) | Nurseries selling the species in UK can be found by an internet search. Available in nurseries in Au | |
Yes
| Plant and Robertson,
2008 |
| Gymnocoronis spilanthoides (Senegal tea plant) | | |
Yes
| |
| Haplaxius crudus (American palm cixiid) | |
Yes
| | |
| Hedychium coccineum (scarlet ginger lily) | |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Hedychium coronarium (white butterfly ginger lily) | |
Yes
| | |
| Hedychium flavescens (wild ginger) | |
Yes
| | |
| Hedychium gardnerianum (kahili ginger) | |
Yes
| | |
| Heracleum mantegazzianum (giant hogweed) | |
Yes
|
Yes
| Tiley et al.,
1996 |
| Heterodera glycines (soybean cyst nematode) | |
Yes
|
Yes
| |
| Heterotis rotundifolia (pink lady) | Garden ornamental |
Yes
|
Yes
| Prota4U,
2013 |
| Hibiscus tiliaceus (coast cottonwood) | |
Yes
|
Yes
| |
| Hiptage benghalensis (hiptage) | |
Yes
|
Yes
| PIER,
2007 |
| Holcus lanatus (common velvet grass) | |
Yes
|
Yes
| |
| Hyoscyamus niger (black henbane) | Grown worldwide as a medicinal plant and sometimes as an ornamental |
Yes
|
Yes
| |
| Impatiens balsamina (garden balsam) | |
Yes
|
Yes
| van Valkenburg and Bunyapraphatsara,
2001 |
| Imperata cylindrica (cogon grass) | |
Yes
|
Yes
| |
| Indigofera spicata (creeping indigo) | Soil with cuttings and seeds are transported between sites |
Yes
|
Yes
| Morton,
1989 |
| Ipomoea ochracea (fence morning-glory) | Planted as ornamental |
Yes
|
Yes
| Acevedo-Rodríguez,
2005 |
| Ipomoea purpurea (tall morning glory) | Potential seed contaminant |
Yes
|
Yes
| USDA-ARS,
2014 |
| Iris domestica (blackberry lily) | Available at various nurseries |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Iris yellow spot virus (iris yellow spot) | |
Yes
|
Yes
| Gent et al.,
2006; Pappu et al.,
2009 |
| Jacaranda mimosifolia (jacaranda) | |
Yes
|
Yes
| |
| Jasminum fluminense (Brazilian jasmine) | Plants and seeds are sold online
Frequently used as ornamental and hedge plant |
Yes
|
Yes
| |
| Jatropha gossypiifolia (bellyache bush) | | |
Yes
| |
| Juncus ensifolius (swordleaf rush) | Nursery stock sold in USA & Europe |
Yes
| | |
| Kalanchoe blossfeldiana (flaming katy) | Widely commercialized as indoor and outdoor plant |
Yes
|
Yes
| Kalanchoe Growers,
2016 |
| Kalanchoe delagoensis (chandelier plant) | Plants and seedlings commercialized as ornamentals |
Yes
|
Yes
| Moran,
2009 |
| Lagerstroemia indica (Indian crape myrtle) | Widely cultivated as ornamental |
Yes
|
Yes
| USDA-NRCS,
2014 |
| Lagerstroemia speciosa (Pride of India) | Commercialized as an ornamental tree |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Lathyrus odoratus (sweet pea) | Ornamental |
Yes
|
Yes
| Branca and Donnini,
2011 |
| Lemna perpusilla (duckweed) | |
Yes
| | Maki and Galatowitsch,
2004 |
| Leonurus japonicus (honeyweed) | Used in herbal traditional medicine |
Yes
|
Yes
| Teo and Pin,
2001 |
| Leptocybe invasa (blue gum chalcid) | The most relevant pathway |
Yes
|
Yes
| |
| Leptospermum scoparium (manuka) | |
Yes
|
Yes
| |
| Leucanthemum vulgare (oxeye daisy) | |
Yes
|
Yes
| |
| Liberibacter africanus (African greening) | Deliberate introductions within countries | |
Yes
| |
| Liberibacter asiaticus (Asian greening) | Deliberate introductions within countries | |
Yes
| |
| Ligustrum lucidum (broad-leaf privet) | Widely used as ornamental and hedge plants |
Yes
| | Swarbrick et al.,
1999 |
| Ligustrum obtusifolium (border privet) | | |
Yes
| Maddox et al.,
2010 |
| Ligustrum sinense (Chinese privet) | Widespread hedging plant |
Yes
| | |
| Lilioceris lilii (lily leaf beetle) | |
Yes
|
Yes
| |
| Limax maximus (leopard slug) | Accidental transport with vegetation, soil, machinery and packaging |
Yes
|
Yes
| |
| Limnocharis flava (yellow bur-head) | | |
Yes
| |
| Livistona chinensis (Chinese fan palm) | Widely commercialized as ornamental |
Yes
|
Yes
| USDA-ARS,
2016 |
| Lonicera confusa | |
Yes
| | San Marcos Growers,
2016 |
| Lonicera maackii (Amur honeysuckle) | |
Yes
|
Yes
| Swearingen et al.,
2010 |
| Ludwigia grandiflora (water primrose) | |
Yes
|
Yes
| Okada et al.,
2009 |
| Ludwigia peploides (water primrose) | |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Lumbricus rubellus | |
Yes
|
Yes
| |
| Lumbricus terrestris | |
Yes
|
Yes
| |
| Lygodium microphyllum (old world climbing fern) | |
Yes
|
Yes
| |
| Lythrum salicaria (purple loosestrife) | |
Yes
| | Cappaert et al.,
2005 |
| Malvaviscus arboreus (wax mallow) | Often planted as ornamental and potted plant |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Marisa cornuarietis (giant ramshorn) | Associated with aquatic plants |
Yes
|
Yes
| |
| Megaplatypus mutatus | | |
Yes
| |
| Melaleuca quinquenervia (paperbark tree) | |
Yes
| | Dray et al.,
2006 |
| Melinis repens (natal redtop) | Sold as an ornamental |
Yes
|
Yes
| Langeland et al.,
2008 |
| Merremia tuberosa (woodrose) | Ornamental |
Yes
|
Yes
| Mansur,
2001 |
| Mimosa pudica (sensitive plant) | |
Yes
|
Yes
| |
| Mirabilis jalapa (four o'clock flower) | Commercially cultivated and available as an ornamental. |
Yes
|
Yes
| DAISIE,
2016 |
| Miscanthus sinensis (eulalia) | Species available via nurseries in North America and Australia | |
Yes
| |
| Mononychellus tanajoa (cassava green mite) | Accidental introduction, rare pathway | |
Yes
| |
| Muntingia calabura (Jamaica cherry) | Traded as an ornamental and fruit tree. The tiny seeds can travel inadvertently in horticultural substrates |
Yes
|
Yes
| Hrusa et al.,
2002 |
| Mycosphaerella gibsonii (needle blight of pine) | |
Yes
|
Yes
| |
| Myriophyllum spicatum (spiked watermilfoil) | |
Yes
|
Yes
| Gregory,
2003 |
| Nandina domestica (Nandina) | Widely sold at wholesale and retail nurseries |
Yes
|
Yes
| Trueblood,
2009; Wirth et al.,
2004 |
| Neolecanium cornuparvum (magnolia scale) | |
Yes
|
Yes
| |
| Nopalea cochenillifera (cochineal cactus) | Available at various nurseries and online sites |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Nymphoides peltata (yellow floating-heart) | | |
Yes
| NWCB,
2007 |
| Odontonema callistachyum (purple firespike) | Commercialised as ornamental |
Yes
|
Yes
| Daniel,
1995 |
| Odontonema cuspidatum (Cardinal’s guard) | |
Yes
| | Daniel,
1995 |
| Oeceoclades maculata (monk orchid) | Seeds and plants sold online |
Yes
|
Yes
| |
| Olea europaea subsp. europaea (European olive) | | |
Yes
| |
| Opogona sacchari (banana moth) | |
Yes
| | |
| Opuntia elatior (red-flower prickly pear) | |
Yes
|
Yes
| |
| Opuntia engelmannii (cactus apple) | |
Yes
|
Yes
| |
| Opuntia ficus-indica (prickly pear) | |
Yes
|
Yes
| |
| Osteopilus septentrionalis (Cuban treefrog) | |
Yes
|
Yes
| |
| Oxalis corniculata (creeping woodsorrel) | |
Yes
|
Yes
| |
| Palaemon elegans (rock shrimp) | |
Yes
| | |
| Pandanus tectorius (screw pine) | |
Yes
| | |
| Pantherophis guttatus (corn snake) | This species has been introduced via cargo and nurseries. |
Yes
|
Yes
| Kraus,
2009 |
| Passiflora edulis (passionfruit) | |
Yes
|
Yes
| |
| Paysandisia archon (South American palm borer) | From Argentina to Italy, France and Spain. |
Yes
| | Riolo et al.,
2004; Sarto and Aguilar,
2001 |
| Pear blister canker viroid | |
Yes
|
Yes
| |
| Pelargonium zonale (horseshoe pelargonium) | |
Yes
|
Yes
| Miller,
1996; SANBI,
2014; Cappaert et al.,
2005 |
| Pennisetum setaceum (fountain grass) | Ornamental plants |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Petiveria alliacea (guinea hen weed) | Widely planted for traditional medicine purposes |
Yes
|
Yes
| Alegre and Clavo,
2007 |
| Phoenix canariensis (Canary Island date palm) | |
Yes
| | DiTomaso and Healy,
2006 |
| Phyllostachys aurea (golden bamboo) | Sold as an ornamental |
Yes
| | Gucker,
2009 |
| Phyllostachys aureosulcata (yellow groove bamboo) | Sold as an ornamental |
Yes
|
Yes
| USDA-APHIS,
2012 |
| Physalis peruviana (Cape gooseberry) | |
Yes
|
Yes
| |
| Phytophthora alni species complex (alder Phytophthora) | Spread by planting infected nursery material |
Yes
| | Jung and Blaschke,
2004; Cappaert et al.,
2005; Jung et al.,
2016 |
| Phytophthora cinnamomi (Phytophthora dieback) | Probably very common |
Yes
|
Yes
| Davison et al.,
2006 |
| Phytophthora lateralis (Port-Orford-cedar root disease) | |
Yes
|
Yes
| Brasier et al.,
2012; Zobel et al.,
1985 |
| Pinus elliottii (slash pine) | |
Yes
|
Yes
| |
| Pistia stratiotes (water lettuce) | |
Yes
|
Yes
| Gherardi,
2007 |
| Planococcus citri (citrus mealybug) | Accidental introduction on imported plants, transport on workers, tools and machinery |
Yes
|
Yes
| Gerson,
2016 |
| Plantago asiatica mosaic virus | Distribution of infected plants of cultivars of N. domestica through the nursery trade |
Yes
|
Yes
| |
| Plantago coronopus (Buck's-horn plantain) | |
Yes
|
Yes
| |
| Platydemus manokwari (New guinea flatworm) | P. manokwari can be readily transported in soil on potted plants |
Yes
|
Yes
| Sugiura,
2008 |
| Plectranthus scutellarioides (coleus) | |
Yes
|
Yes
| Missouri Botanical Garden,
2014b |
| Plum pox virus (sharka) | Nursery stock. |
Yes
| | |
| Populus alba (silver-leaf poplar) | | |
Yes
| Jobling,
1990 |
| Portulaca pilosa (kiss-me-quick) | |
Yes
|
Yes
| |
| Potamogeton crispus (curlyleaf pondweed) | |
Yes
|
Yes
| Maki and Galatowitsch,
2004 |
| Pseudococcus viburni (obscure mealybug) | On ornamental plants, shrubs and trees |
Yes
|
Yes
| |
| Psidium cattleianum (strawberry guava) | |
Yes
| | Samson,
1989 |
| Puccinia buxi | Anticipated possibility |
Yes
|
Yes
| NAPPO,
2006 |
| Pyrrhalta luteola (elm leaf beetle) | From Europe to USA and Australia probably with European settlements |
Yes
|
Yes
| |
| Raoiella indica (red palm mite) | PPQ Plant Inspection required for untreated shipments in N. Atlantic/N.Pacific ports, USA |
Yes
| | |
| Rhodomyrtus tomentosa (Downy rose-myrtle) | Deliberate, occasional |
Yes
|
Yes
| Campbell,
1977; Staples and Herbst,
2005 |
| Rhus typhina (staghorn sumac) | |
Yes
|
Yes
| |
| Rivina humilis (bloodberry) | Assumed |
Yes
|
Yes
| |
| Rosmarinus officinalis (rosemary) | |
Yes
|
Yes
| |
| Roystonea oleracea (Caribbean royal palm) | |
Yes
|
Yes
| |
| Rubus ellipticus (yellow Himalayan raspberry) | |
Yes
| | Gardner,
1999 |
| Rubus niveus (Mysore raspberry) | |
Yes
|
Yes
| ISSG,
2014 |
| Rubus rosifolius (roseleaf raspberry) | Commercialised as ornamental |
Yes
|
Yes
| ISSG,
2010 |
| Ruellia simplex (Mexican petunia) | Grown as ornamental |
Yes
|
Yes
| Hupp et al.,
2013 |
| Russelia equisetiformis (firecracker plant) | Ornamental plant available at nurseries |
Yes
|
Yes
| |
| Saccharum ravennae (ravenna grass) | | |
Yes
| |
| Salvinia auriculata (giant salvinia) | |
Yes
|
Yes
| ISSG,
2009 |
| Salvinia molesta (kariba weed) | |
Yes
|
Yes
| McFarland et al.,
2004 |
| Sanchezia parvibracteata (sanchezia) | Ornamental plant |
Yes
|
Yes
| Daniel,
1995 |
| Sanchezia speciosa (shrubby whitevein) | Widely commercialized |
Yes
|
Yes
| Paydar et al.,
2013 |
| Sansevieria hyacinthoides (African bowstring hemp) | |
Yes
|
Yes
| ISSG,
2012 |
| Schefflera actinophylla (umbrella tree) | |
Yes
|
Yes
| Gucker,
2011 |
| Senecio glastifolius (holly leaved senecio) | |
Yes
| | |
| Senna alata (candle bush) | Plants sold locally and over the internet for ornamental purposes |
Yes
|
Yes
| |
| Sesbania grandiflora (sesbania) | |
Yes
|
Yes
| |
| Setaria palmifolia (palm grass) | |
Yes
|
Yes
| |
| Solanum capsicoides (cockroach berry) | |
Yes
|
Yes
| |
| Solanum seaforthianum (Brazilian nightshade) | Planted as ornamental |
Yes
|
Yes
| Gallagher et al.,
2010 |
| Solenopsis invicta (red imported fire ant) | Equipment, planting material - accidental | |
Yes
| ISSG,
2014 |
| Solenopsis richteri (black imported fire ant) | |
Yes
|
Yes
| Lofgren et al.,
1975; Wilson and Brown,
1958 |
| Spartium junceum (Spanish broom) | |
Yes
|
Yes
| |
| Spathodea campanulata (African tulip tree) | |
Yes
| | ICRAF,
2008 |
| Spathoglottis plicata (Philippine ground orchid) | Used as ornamentals and potted-plants |
Yes
|
Yes
| |
| Spermacoce verticillata (shrubby false buttonwood) | |
Yes
|
Yes
| |
| Sphaerodactylus vincenti (Saint Vincent dwarf gecko) | Possible invasion pathway by humans |
Yes
| | Daltry,
2009 |
| Sphagneticola trilobata (wedelia) | |
Yes
|
Yes
| |
| Stachytarpheta urticifolia (rattail) | |
Yes
|
Yes
| Kuo,
2003 |
| Sugarcane grassy shoot phytoplasma (grassy shoot of sugarcane) | |
Yes
|
Yes
| |
| sugarcane white leaf phytoplasma (white leaf of sugarcane) | |
Yes
|
Yes
| |
| Symphyotrichum novi-belgii (New York aster) | |
Yes
|
Yes
| |
| Syngonium podophyllum (arrowhead vine) | |
Yes
|
Yes
| ISSG,
2012; PIER,
2012 |
| Tabebuia rosea (pink poui) | |
Yes
|
Yes
| |
| Tamarix ramosissima (saltcedar) | Still on sale |
Yes
| | |
| Tapinoma melanocephalum (ghost ant) | Due to its tendency to nest in potted plants, these must be considered a risk |
Yes
|
Yes
| Appel et al.,
2004 |
| Thunbergia alata (black eyed Susan) | |
Yes
|
Yes
| Whistler,
2000 |
| Thunbergia fragrans (whitelady) | Cultivated as ornamental for its attractive flowers |
Yes
|
Yes
| Starr et al.,
2003 |
| Thunbergia grandiflora (Bengal trumpet) | Plants are used as ornamentals |
Yes
|
Yes
| Starr et al.,
2003 |
| Tithonia rotundifolia (red sunflower) | Widely commercialized as garden ornamental |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Tomato yellow leaf curl virus (leaf curl) | Export/import of infected seedlings. |
Yes
| | Polston and Anderson,
1997 |
| Toxicodendron succedaneum (wax tree) | Commercialized as ornamental |
Yes
|
Yes
| |
| Trachelospermum jasminoides (star-jasmine) | Ornamental and ground cover |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Tradescantia pallida (purple queen) | Commonly planted as an ornamental |
Yes
|
Yes
| Foxcroft et al.,
2007 |
| Tradescantia spathacea (boat lily) | Plants used as ornamentals |
Yes
|
Yes
| ISSG,
2012 |
| Tradescantia zebrina (wandering jew) | Commonly sold | |
Yes
| Biosecurity Queensland,
2012 |
| Trimezia steyermarkii (yellow walking iris) | Ornamental |
Yes
|
Yes
| |
| Triphasia trifolia (limeberry) | |
Yes
|
Yes
| USDA-ARS,
2012 |
| Typha latifolia (broadleaf cattail) | | |
Yes
| USDA-NRCS,
2010 |
| Verbena rigida (stiff verbena) | |
Yes
|
Yes
| Royal Horticultural Society,
2015 |
| Veronicella cubensis (Cuban slug) | |
Yes
|
Yes
| Cappaert et al.,
2005 |
| Vespula pensylvanica (western yellowjacket) | Christmas tree trade |
Yes
|
Yes
| |
| Vitex rotundifolia (beach vitex) | Excepting North Carolina, it is legal to propagate in the USA and remains in the nursery trade |
Yes
|
Yes
| Cousins et al.,
2010a; North Carolina Department of Agriculture and Consumer Services,
2015 |
| Wasmannia auropunctata (little fire ant) | |
Yes
|
Yes
| |
| Wisteria sinensis (Chinese wisteria) | Popular ornamental plant, widely sold internationally |
Yes
|
Yes
| Trusty et al.,
2008 |
| Xylophilus ampelinus (canker of grapevine) | |
Yes
|
Yes
| |
| Yucca aloifolia (Spanish bayonet) | | |
Yes
| Smith et al.,
2012 |
| Zachrysia provisoria (Cuban brown snail) | Occasional, accidental |
Yes
|
Yes
| Robinson and Fields,
2004 |
| Zinnia peruviana (Peruvian zinnia) | |
Yes
|
Yes
| |
