(UKSI) Wales INNS Interest List WBP Species for Action EU IAS NRW

Invasive Non-Native Species (INNS) of Interest to Wales Aug 2020 - with correction to GB Alert list March 2021

This list of INNS of interest to Wales includes EU IAS (updated with new listings 2Oct19), Wales contingency plan, WBP Species for Action, GBNNSS Alert Species (update 2Oct19), NRW SMNR, WCA Sched 9 Part 1 and Part 2 (not Part 1A or 1B), Welsh marine monitoring and surveillance high and medium risk species, MSFD priority species, WFD UKTAG alarm species and WFD UKTAG impact species. Originally compiled by NRW and NBN Trust for the INNS portal NBN Atlas Wales (https://wales-species-inns.nbnatlas.org/) July 2018, updated 21 August 2020, correction to GB Alerts 5 March 2021

WBP WCA GB NNSS MSFD WFD Wales INNS interest list Species for EU IAS NRW SMNR Contingency Marine WFD alarm Schedule 9 Alert priority impact Scientific name Author Synonym Common name TVK (UKSI) Action Acacia saligna Acacia cyanophylla Golden wreath wattle Y Y Y Acaena sanguisorbae, Acaena novae-zelandiae Kirk Acaena anserinifolia Pirri-Pirri-Bur NBNSYS0000031916 Y Management Y Acartia (Acanthacartia) tonsa Dana, 1849 NHMSYS0021050849 Y Y Unknown Achtheres percarum Nordmann, 1832 Actheres percarum NHMSYS0021052521 Y Unknown Acorus calamus L. Sweet-Flag NBNSYS0000002348 Y Low Acridotheres tristis Common myna Y Y Y (C.Agardh) Kraft & Agardhiella subulata M.J.Wynne, 1979 NHMSYS0021060209 Y Unknown

Agrilus planipennis Fairmaire, 1888 Emerald Ash Borer NHMSYS0021109580 Y Y

Ailanthus altissima Tree of heaven Y Y Y Mandarin Duck, Aix galericulata (Linnaeus, 1758) Mandarin NHMSYS0000530137 Y Y Carolina Wood Duck, North American Wood Aix sponsa (Linnaeus, 1758) Duck, Wood Duck NHMSYS0000532723 Y Y Chukar, Chukar Alectoris chukar (Gray, 1830) Partridge NHMSYS0000532731 Y Y Alectoris graeca (Meisner, 1804) Rock Partridge NHMSYS0000532735 Y Y (Whedon & Kofoid) Balech, Alexandrium catenella 1985 NHMSYS0021057753 Y Y Few-Flowered Garlic, Allium paradoxum (M. Bieb.) G. Don Scilla paradoxa Few-Flowered Leek NHMSYS0000455760 Y Y Three-Cornered Garlic, Allium triquetrum L. Three-Cornered Leek NBNSYS0000002203 Y Y Alopochen aegyptiacus (Linnaeus, 1766) Anser egyptiacus Egyptian Goose NHMSYS0001689380 Y Y Y Alternanthera philoxeroides Griseb. Alligator Weed NHMSYS0021196563 Y Y Y Y Alytes obstetricans (Laurenti, 1768) Midwife Toad NHMSYS0000080161 Y Y Ambloplites rupestris (Rafinesque, 1817) Rock Bass NHMSYS0000544613 Y Y Ameiurus melas (Rafinesque, 1820) Black Bullhead NHMSYS0000544615 Y Prevention Y Y Y Unknown Ammothea hilgendorfi (B√∂hm, 1879) NBNSYS0000179052 Y Unknown Surveillance: Amphibalanus amphitrite (Darwin, 1854) Balanus amphitrite NHMSYS0021052693 Y Y high Unknown Amphibalanus reticulatus To be added to UKSI Y Y Amphibalanus reticulatus To be added to UKSI Y Y Andropogon virginicus Broomsedge bluestem Y Y Y

Anoplophora glabripennis (Motschulsky, 1853) Asian Longhorn Beetle NHMSYS0020972538 Y Y Anser caerulescens (Linnaeus, 1758) Anser hyperboreus Snow Goose NBNSYS0000000259 Y Y Chen canagica, Anser Anser canagicus (Sevastianov, 1802) canagica Emperor Goose NHMSYS0000532799 Y Y Anser indicus (Latham, 1790) Bar-Headed Goose NHMSYS0000532807 Y Y (Schiffner) E.M.Wollaston, Antithamnionella spirographidis 1968 NHMSYS0021059816 Y Unknown (J.D.Hooker & Harvey) Lyle, Antithamnionella ternifolia 1922 NHMSYS0021059817 Y Unknown

Aponogeton distachyos L. f. Cape Pondweed NHMSYS0000455997 Y Low Artiposthia triangulata, Arthurdendyus triangulatus (Dendy, 1895) Artioposthia triangulata New Zealand Flatworm NHMSYS0021008370 Y Y Y Y Asclepias syriaca L. Common Milkweed NHMSYS0021196575 Y Y Y Asparagopsis armata Harvey, 1855 Falkenbergia rufolanosa Harpoon Weed NHMSYS0021059726 Y Y Unknown Astacus astacus (Linnaeus, 1758) Cancer astacus Noble Crayfish NHMSYS0000377491 Y Y Low Astacus leptodactylus Eschscholtz, 1823 Turkish Crayfish NHMSYS0000377492 Y Y Low Asterias amurensis Lutken, 1871 NHMSYS0021054050 Y Y Asterocarpa humilis (Heller, 1878) Compass Sea Squirt NHMSYS0021002915 Y Monitoring: high Aulacomya ater (Molina, 1782) Magellan Mussel NHMSYS0021109616 Y Low Australoplana sanguinea (Moseley, 1877) Geoplana sanguinea NHMSYS0020744893 Y Y Austrominius modestus (Darwin, 1854) Elimnius modestus NHMSYS0021006592 Y Low Azolla filiculoides var. filiculoides, Azolla pinnata, Azolla Long-term Azolla filiculoides Lam. caroliniana Water Fern NBNSYS0000002090 Y management Y Y High Baccharis halimifolia L. Tree Groundsel NBNSYS0000142699 Y Prevention Y Y Y Y Bombina variegata (Linnaeus, 1758) Yellow-Bellied Toad NHMSYS0000080163 Y Y Bonnemaison's Hook Monitoring: Bonnemaisonia hamifera Hariot, 1891 Trailliella intricata Weed NHMSYS0021059732 Y Y medium Unknown Bonnemaisonia hamifera f. Monitoring: sporophyte Hariot, 1891 NHMSYS0021196551 Y Y medium Unknown Bonnemaisonia hamifera f. Monitoring: tetrasporophyte Hariot, 1891 NHMSYS0021196557 Y Y medium Unknown Branchiura sowerbyi Beddard, 1892 NHMSYS0020461052 Y Unknown Branta canadensis (Linnaeus, 1758) Canada Goose NBNSYS0000000009 Y Y Branta leucopsis (Bechstein, 1803) Barnacle Goose NBNSYS0000000214 Y Y Eurasian Eagle Owl, Bubo bubo (Linnaeus, 1758) Bubo maximus Eagle Owl NHMSYS0000532935 Y Y Butterfly-Bush, Buddleja davidii Franch. Buddleia NHMSYS0000456713 Y Y Cabomba caroliniana A. Gray Carolina Water Shield NHMSYS0000456744 Y Prevention Y Y Y Y Moderate Caecidotea communis (Say, 1818) Asellus communis NHMSYS0020302559 Y Unknown Callosciurus erythraeus Pallas, 1779 Pallas's Squirrel NHMSYS0021177633 Y Y Y Y Domestic Goat, Feral Capra hircus Linnaeus, 1758 Capra domestic Goat NHMSYS0000080201 Y Y Japanese Skeleton Monitoring: Caprella mutica Schurin, 1935 Shrimp NHMSYS0020545704 Y Y medium Moderate Carassius auratus (Linnaeus, 1758) Goldfish NHMSYS0000544632 Y High Cardiospermum grandiflorum Balloon vine Y Y Y

Carpobrotus aequilaterus, Carpobrotus acinaciformis, Mesembryanthemum edule, Carpobrotus edulis var. chrysophthalmus, Carpobrotus edulis var. Carpobrotus edulis (L.) N.E. Br. chrysophthalmus Hottentot-Fig NHMSYS0000456945 Y Management Y Y Caulerpa racemosa (Forssk√•l) J.Agardh, 1873 NHMSYS0021059168 Y Y Caulerpa taxifolia (M.Vahl) C.Agardh, 1817 NHMSYS0021059169 Y Y Surveillance: Celtodoryx ciocalyptoides (Burton, 1935) NHMSYS0021057356 Y Y Y Y high Y

Cenchrus setaceus (Forssk.) Morrone Pennisetum setaceum Crimson Fountaingrass NHMSYS0021196581 Y Y Y Cercopagis pengoi (Ostroumov, 1891) Fishhook Waterflea NHMSYS0021177317 Y Y Cervus nippon Temminck, 1838 Sika nippon Sika Deer, Sika NBNSYS0000005144 Y Management Y Y Chama Linnaeus, 1758 NHMSYS0021054719 Y Y Little Corrugate Chama congregata Conrad, 1833 Jewelbox NHMSYS0021128314 Y Y Chelicorophium curvispinum (G.O. Sars, 1895) Corophium curvispinum NHMSYS0020936787 Y Unknown Lady Amherst's Chrysolophus amherstiae (Leadbeater, 1829) Pheasant NHMSYS0000530283 Y Y Chrysolophus pictus (Linnaeus, 1758) Golden Pheasant NHMSYS0000530284 Y Y Montia sibirica, Claytonia Claytonia sibirica L. alsinoides Pink Purslane NBNSYS0000003080 Y Low Clymenella torquata (Leidy, 1855) NBNSYS0000174640 Y Low Codium fragile (Suringar) Hariot, 1889 NHMSYS0021059179 Y Y

Codium fragile subsp. atlanticum (A.D. Cotton) P.C. Silva NHMSYS0000567898 Y Unknown Codium fragile subsp. tomentosoides (Goor) P.C.Silva Green Sea Fingers NHMSYS0000567899 Y Y Unknown Colpomenia sinuosa Colpomenia peregrina Sauvageau, 1927 peregrina Oysterthief NHMSYS0021058697 Y Unknown

Corbicula fluminalis M√ºller, 1774 NHMSYS0021117965 Y Y Y Y Corbicula fluminea (O. F. M√ºller, 1774) NHMSYS0020528151 Y Management Y Unknown Corbula amurensis To be added to UKSI Y Y Cordylophora caspia (Pallas, 1771) Cordylophora lacustris NHMSYS0021053805 Y Unknown Cortaderia jubata Purple pampas grass Y Y Y

Corvus splendens Vieillot, 1817 House Crow NHMSYS0021109654 Y Y Y Y Coscinodiscus wailesii Gran & Angst, 1931 NHMSYS0021058175 Y Unknown Long-term Cotoneaster bullatus Bois Hollyberry Cotoneaster NBNSYS0000004710 Y management Y Y Wall Cotoneaster, Long-term Cotoneaster horizontalis Decne. Wallspray NHMSYS0000457587 Y management Y Y Cotoneaster thymifolius, Crataegus integrifolia, Cotoneaster microphyllus, Entire-Leaved Long-term Cotoneaster integrifolius (Roxb.) G. Klotz Cotoneaster microphyllus Cotoneaster, Rockspray NHMSYS0000457600 Y management Y Y Small-Leaved Long-term Cotoneaster microphyllus Wall. ex Lindl. Cotoneaster NHMSYS0100001112 Y management Y Y

Himalayan Cotoneaster, Long-term Cotoneaster simonsii Baker Khasia Berry NBNSYS0000003424 Y management Y Y Crangonyx pseudogracilis Bousfield, 1958 NBNSYS0000013808 Y Low Craspedacusta sowerbii Lankester, 1880 NHMSYS0021053976 Y Unknown Portuguese Oyster, Monitoring: Crassostrea gigas (Thunberg, 1793) Crassostrea angulata Pacific Oyster NBNSYS0000174740 Y Y Y medium Moderate Tillaea helmsii, Crassula recurva, Tillaea recurva, New Zealand Long-term Crassula helmsii (Kirk) Cockayne Tillaea recurva Pygmyweed NBNSYS0000004639 Y management Y Y High Slipper Limpet, American Slipper Crepidula fornicata (Linnaeus, 1758) Limpet NBNSYS0000174750 Y Y Y Y Monitoring: high High

Crocosmia x crocosmiflora, Crocosmia x crocosmiiflora (C. aurea x pottsii), Tritonia x crocosmiiflora, Montbretia x crocosmiiflora, Crocosmia x crocosmiiflora, Tritonia x crocosmiiflora, Crocosmia x crocosmiiflora, Montbretia x crocosmiiflora, Crocosmia aurea x Crocosmia pottsii x aurea = C. x pottsii, Tritonia x crocosmiiflora (Lemoine) N.E. Br. crocosmiflora Montbretia NHMSYS0001754398 Y Y Y Low White Amur, Chinese Grass Carp, Grass Ctenopharyngodon idella (Valenciennes, 1844) Carp NHMSYS0020752132 Y Low Cygnus atratus (Latham, 1790) Black Swan NHMSYS0000532895 Y Y Cynomys Rafinesque, 1817 NHMSYS0000376570 Y Y Black-Tailed Prairie Cynomys ludovicianus (Ord, 1815) Dog NHMSYS0021109663 Y Cyprinus carpio Linnaeus, 1758 Carp, Common Carp NHMSYS0000544665 Y Waiting list Dendrostrea frons/Saccostrea frons To be added to UKSI Y Y Orange-Striped Monitoring: Diadumene lineata (Verrill, 1869) Haliplanella lineata Anemone NHMSYS0020770700 Y Y medium Unknown

Didemnum vexillum Kott, 2002 NHMSYS0020545709 Y Y Y Monitoring: high High Dikerogammarus bispinosus To be added to Atlas Y Y Long-term Dikerogammarus haemobaphes (Eichwald, 1841) Demon Shrimp NHMSYS0021050246 Y management Y High Long-term Dikerogammarus villosus (Sowinsky, 1894) Killer Shrimp NHMSYS0020475521 Y management Y High Disphyma australe, Disphyma australe, Mesembryanthemum Disphyma crassifolium (L.) L. Bolus crassifolium Purple Dewplant NHMSYS0000458125 Y Management Y Y Dreissena rostriformis Dreissena bugensis Andrusov, 1897 bugensis Quagga Mussel NHMSYS0020475523 Y Prevention Y Y Waiting list Y Dreissena polymorpha (Pallas, 1771) Zebra Mussel NBNSYS0000006809 Y Y High

Dryocosmus kuriphilus Yasumatsu, 1951 Chestnut Gall Wasp NHMSYS0021117883 Y Y Dyspanopeus sayi (Smith, 1869) Neopanope sayi NHMSYS0021049663 Y Y Echinogammarus ischnus (Stebbing, 1899) NHMSYS0020954958 Y Y Y Unknown

Echinogammarus trichiatus (Martynov, 1932) NHMSYS0020954960 Y Y Y Unknown Large-Flowered Egeria densa Planch. Elodea densa Waterweed NHMSYS0000458284 Y Moderate Egeria najas To be added to UKSI Y Y Ehrharta calycina Perennial veldtgrass Y Y Y Eichhornia crassipes (Mart.) Solms Water-Hyacinth NHMSYS0000458290 Y Y Y Y Low Elodea ernstiae, Elodea ernstiae, Anacharis callitrichoides, Elodea South American Elodea callitrichoides (Rich.) Casp. ernestiae Waterweed NHMSYS0000458324 Y Y Unknown Anacharis canadensis, Elodea canadensis Michx. Anacharis alsinastrum Canadian Waterweed NHMSYS0000458325 Y Y High Elodea canadensis/nutallii NHMSYS0021123561 Y Y Anacharis nuttallii, Elodea nuttallii (Planch.) H. St. John Hydrilla lithuanica Nuttall's Waterweed NHMSYS0000458329 Y Y Y High European Pond Emys orbicularis (Linnaeus, 1758) Terrapin NHMSYS0000080225 Y Y Ensis directus, Ensis americanus, Ensis Jack Knife Clam, arcuatus directus, Ensis American Jack Knife Ensis directus (Conrad, 1843) americanus Clam, Razor Shell NHMSYS0020826368 Y Y Unknown Monitoring: Ensis leei M. Huber, 2015 NHMSYS0021185420 Y medium Ergasilus briani Markewitsch, 1932 NHMSYS0001593543 Y Unknown Ergasilus sieboldi von Nordmann, 1832 NHMSYS0001593546 Y Unknown Eriocheir sinensis H. Milne Edwards, 1853 Chinese Mitten Crab NHMSYS0001593547 Y Y Y Y Monitoring: high High Eusarsiella zostericola (Cushman, 1906) NBNSYS0000175296 Y Unknown Polygonum compactum, Long-term Fallopia japonica (Houtt.) Ronse Decr. Polygonum cuspidatum Japanese Knotweed NHMSYS0000458716 Y management Y Y High Fallopia x bohemica, Reynoutria x vivax, Fallopia x bohemica, Fallopia japonica x sachalinensis (F. x bohemica), Reynoutria x Fallopia japonica x sachalinensis (Chrtek & Chrtkov√°) J.P. bohemica, Reynoutria x = F. x bohemica Bailey bohemica NBNSYS0000161671 Y Y High

Polygonum vivax, Reynoutria vivax, Reynoutria sachalinensis, Polygonum sachalinense, Reynoutria sachalinensis, Polygonum sachalinensis, Reynoutria vivax, Fallopia sachalinensis (F. Schmidt) Ronse Decr. Polygonum sachalinense Giant Knotweed NHMSYS0000458719 Y Y High Faxonius rusticus (Girard, 1852) Orconectes rusticus Rusty Crayfish NHMSYS0021177753 Y Y Ferrissia (Petancyclus) wautieri (Mirolli, 1960) Wautier's Limpet NHMSYS0020528168 Y Unknown Monitoring: Ficopomatus enigmaticus (Fauvel, 1923) Mercierella enigmatica NBNSYS0000175337 Y Y medium High Gambusia holbrooki To be added to UKSI Y Y Gaultheria shallon Pursh Gaultheria procumbens Shallon NBNSYS0000003896 Y Y Girardia tigrina (Girard, 1850) NHMSYS0021057085 Y Unknown Edible Dormouse, Fat Glis glis (Linnaeus, 1766) Dormouse NHMSYS0000080215 Y Y Goniadella gracilis (Verrill, 1873) NBNSYS0000175519 Y Unknown Gonionemus vertens A. Agassiz, 1862 NHMSYS0020475530 Y Unknown Surveillance: Gracilaria vermiculophylla (Ohmi) Papenfuss, 1967 NHMSYS0020955046 Y Y Y high Unknown Grateloupia lanceola, Halymenia lanceola, Grateloupia doryphora (Montagne) M.A.Howe, 1914 Halymenia doryphora NHMSYS0021060236 Y Unknown Grateloupia luxurians, Grateloupia filicina Grateloupia subpectinata Holmes, 1912 subsp. luxurians NHMSYS0021060240 Y Y Unknown Grateloupia turuturu Yamada, 1941 NHMSYS0021060242 Y Y Monitoring: high Gunnera chilensis, Gunnera tinctoria (Molina) Mirb. Panke tinctoria Giant Rhubarb NHMSYS0000459164 Y Y Y Gymnocoronis spilanthoides Senegal tea plant Y Y Y Gyrodactylus salaris Malmberg, 1957 NHMSYS0021117945 Y Y Hemigrapsus penicillatus To be added to UKSI Y Y Surveillance: Hemigrapsus sanguineus (De Haan, 1835) Asian Shore Crab NHMSYS0020955056 Y Y Y Y high Waiting list Surveillance: Hemigrapsus takanoi Asakura & Watanabe, 2005 NHMSYS0001697250 Y Y Y Y high Waiting list Hemimysis anomala G.O. Sars, 1907 NHMSYS0021050694 Y High Long-term Heracleum mantegazzianum Sommier & Levier Giant Hogweed NBNSYS0000003711 Y management Y Y High Heracleum persicum Desf. ex Fischer NBNSYS0000003712 Y Y Y Y Heracleum sosnowskyi Manden. Sosnowsky's Hogweed NHMSYS0021177470 Y Y Y Y (√â. Geoffroy Saint-Hilaire, Herpestes javanicus 1818) Small Asian Mongoose NHMSYS0021177367 Y Y Y Y Surveillance: Hesperibalanus fallax (Broch, 1927) Solidobalanus fallax NHMSYS0021052687 Y Y high (Y.Hada) Y.Hada ex Y.Hara & Heterosigma akashiwo M.Chihara, 1987 NHMSYS0021058816 Y Y Hexaplex trunculus (Linnaeus, 1758) NHMSYS0021055834 Y Y Long-term Hippophae rhamnoides L. Sea Buckthorn NBNSYS0000003533 Y management Y Surveillance: Homarus americanus H. Milne Edwards, 1837 American Lobster NHMSYS0021049553 Y Y Y Y Y high Waiting list Humulus scandens Japanese hop Y Y Y

Endymion hispanicus, Endymion hispanica, Scilla non-scripta subsp. hispanica, Scilla hispanica, Hyacinthoides non-scripta subsp. Hyacinthoides hispanica (Mill.) Rothm. Hispanica Spanish Bluebell NHMSYS0000459784 Y Y Hydrocotyle ranunculoides L. f. Floating Pennywort NHMSYS0000459812 Y Management Y Y High Hydrocotyle sibthorpioides Lam. NBNSYS0200003877 Y Y Hydroides dianthus (Verrill, 1873) NBNSYS0000182918 Y Unknown Hydroides ezoensis Okuda, 1934 NHMSYS0021048539 Y Unknown Chinese Water Deer, Hydropotes inermis Swinhoe, 1870 Water Deer NBNSYS0000005148 Y Y Hyla arborea (Linnaeus, 1758) Common Tree Frog NHMSYS0000080165 Y Y Hypania invalida (Grube, 1860) NHMSYS0021048729 Y Unknown Triturus alpestris, Ichthyosaura alpestris (Laurenti, 1768) Mesotriton alpestris Alpine Newt NHMSYS0020740241 Y Management Y Y Impatiens fulva, Jewel-Weed, Orange Impatiens capensis Meerb. Impatiens biflora Balsam NBNSYS0000003187 Y Low Indian Balsam, Policeman's Helmet, Long-term Impatiens glandulifera Royle Impatiens roylei Himalayan Balsam NBNSYS0000003189 Y management Y Y High Jaera (Jaera) istri Veuille, 1979 NHMSYS0021050440 Y Y Juncus ensifolius Wikstr. Sword-Leaved Rush NHMSYS0000459972 Y Unknown Kontikia andersoni Jones, 1981 NBNSYS0000040819 Y Y Kontikia ventrolineata (Dendy, 1892) NHMSYS0020503220 Y Y

Lagarosiphon muscoides var. major, Elodea crispa, Long-term Lagarosiphon major (Ridl.) Moss ex V.A. Wager Elodea crispa Curly Waterweed NHMSYS0000460065 Y management Y Y High Y Laminaria japonica J.E. Areschoug NHMSYS0020703527 Y Y

Lamium galeobdolon forma argentatum, Lamium galeobdolon subsp. Galeobdolon argentatum, argentatum (Smejkal) J. Duvign. Lamiastrum argentatum NHMSYS0000460081 Y Y Van Loon, Boomsma & Lasius neglectus Andrasfalvy, 1990 NHMSYS0020936582 Y Prevention Y

Broad-Leaved Everlasting-Pea, Lathyrus latifolius L. Garden Everlasting Pea NBNSYS0000003305 Y Y Lemna minuscula, Lemna minuta Kunth Lemna valdiviana Least Duckweed NBNSYS0000004649 Y Unknown Sunfish, Pond-Perch, Pumpkinseed, Lepomis gibbosus (Linnaeus, 1758) Pumpkinseed Sunfish NHMSYS0000544687 Y Y Y Y Low Lespedeza juncea var. Lespedeza cuneata sericea Chinese bushclover Y Y Y Sunbleak, Belica, Leucaspius delineatus (Heckel, 1843) Motherless Minnow NHMSYS0000544689 Y Unknown Leuciscus idus (Linnaeus, 1758) Ide, Orfe NHMSYS0000544694 Y Low Limnodrilus cervix Brinkhurst, 1963 NHMSYS0021048479 Y Unknown Limnomysis benedeni To be added to Atlas Y Y Linepithema humile (Mayr, 1868) Iridomyrmex humilis Argentine Ant NBNSYS0100003766 Y Y American Bullfrog, Lithobates catesbeianus (Shaw, 1802) Rana catesbeiana American Bull Frog NHMSYS0020194859 Y Prevention Y Y Y Y Lophura nycthemera (Linnaeus, 1758) Silver Pheasant NHMSYS0000533543 Y Y Ludwigia grandiflora (Michx.) Greuter & Burdet Jussiaea grandiflora Water primrose NHMSYS0000460478 Y Management Y Y High Ludwigia grandiflora subsp. (Hook. & Arn.) G.L. Nesom & Ludwigia uruguayensis, Uruguayan Hampshire- hexapetala Kartesz Ludwigia peploides Purslane NHMSYS0020979164 Y Y Y Y Y Unknown Ludwigia natans To be added to UKSI Y Y Ludwigia repens To be added to UKSI Y Y Scottish Lupin, Wild Lupinus nootkatensis Donn ex Sims Lupin, Nootka Lupin NBNSYS0000003202 Y Low Lygodium japonicum Vine-like fern Y Y Y American Skunk- Cabbage, Skunk Long-term Lysichiton americanus Hult√©n & H. St. John Cabbage NHMSYS0000460540 Y management Y Y Waiting list Macrocystis angustifolia To be added to UKSI Y Y Macrocystis integrifolius Bory NHMSYS0020703531 Y Y Macrocystis laevis C.H. Hay NHMSYS0020703532 Y Y Macrocystis pyrifera (Linnaeus) C.Agardh NHMSYS0020703533 Y Y Macropus rufogriseus (Desmarest, 1817) Red-Necked Wallaby NHMSYS0000080171 Y Y Marenzelleria viridis (Verrill, 1873) NBNSYS0000183915 Y Low Amnicola taylori, Bythinella scoltzi, Paludestrina taylori, Marstoniopsis scholtzi, Marstoniopsis insubrica (K√ºster, 1853) Marstoniopsis scholtzi Taylor's Spire Snail NHMSYS0001702093 Y Unknown Megabalanus coccopoma (Darwin, 1854) NHMSYS0021052703 Y Y Y Megabalanus zebra To be added to UKSI Y Y Menetus (Dilatata) dilatatus (Gould, 1841) Trumpet Ramshorn NHMSYS0020528222 Y Unknown Qahog, Clam, Hard- Shelled Clam, American Hard-Shelled Mercenaria mercenaria (Linnaeus, 1758) Clam NBNSYS0000176422 Y Low Large-Mouthed Bass, Micropterus salmoides (Lacep√®de, 1802) Largemouth Bass NHMSYS0000544705 Y Y Microstegium vimineum (Trin.) Camus Japanese Stiltgrass NHMSYS0021117971 Y Y Y Y Mimulus cupreus Dombrain NBNSYS0000004088 Y Unknown Mimulus luteus, Mimulus Mimulus guttatus DC. langsdorfii Monkeyflower NBNSYS0000004084 Y Unknown Mimulus guttatus x cupreus = M. x burnetii S. Arn. Coppery Monkeyflower NHMSYS0001754462 Y Unknown Mimulus guttatus x luteus = M. x robertsii Silverside Hybrid Monkeyflower NHMSYS0001754799 Y Unknown Mimulus guttatus x luteus x cupreus NHMSYS0100002053 Y Unknown Mimulus guttatus x luteus x variegatus NHMSYS0020546137 Y Unknown Mizuhopecten yessoensis To be added to UKSI Y Y Surveillance: Mnemiopsis leidyi A. Agassiz, 1865 NHMSYS0020955116 Y Y Y Y high Y Monocorophium sextonae (Crawford, 1937) NHMSYS0020233978 Y Low Chinese Barking Deer, Chinese Muntjac, Long-term Muntiacus reevesi (Ogilby, 1839) Muntjac NHMSYS0000080204 Y management Y Y Musculium transversum (Say, 1829) Sphaerium pallidum Oblong Orb Mussel NBNSYS0100004134 Y Unknown Soft-Shelled Clam, Soft Clam, Sand-Gaper, Mya arenaria Linnaeus, 1758 Sand Gaper NHMSYS0021054648 Y Unknown Myiopsitta monachus (Boddaert, 1783) Monk Parrakeet NHMSYS0000533463 Y Prevention Y Y Y Y Myocastor coypus (Molina, 1782) Coypu NHMSYS0000080217 Y Y Y Y Enydria aquatica, Long-term Myriophyllum aquaticum (Vell.) Verdc. Myriophyllum brasiliense Parrot's Feather NHMSYS0000460832 Y management Y Y Y High Myriophyllum elatinoides To be added to UKSI Y Y Water-Milfoil, Various- Myriophyllum heterophyllum Michx. Leaved Water-Milfoil NHMSYS0000460834 Y Prevention Y Y Y Y Y Myriophyllum robustum Hook.f. Stout Water Milfoil NHMSYS0021177392 Y Y Mytilopsis leucophaeata (Conrad, 1831) False Dark Mussel NHMSYS0020528229 Y Unknown Nasua nasua (Linnaeus, 1766) South American Coati NHMSYS0021109730 Y Y Y Y Neodexiospira brasiliensis (Grube, 1872) Janua brasiliensis NHMSYS0021048556 Y Unknown Neoergasilus japonicus (Harada, 1930) Ergasilus japonicus NHMSYS0001593769 Y Unknown Neogobius fluviatilis To be added to Atlas Y Y Neogobius gymnotrachelus (Kessler, 1857) Racer Goby NHMSYS0021177253 Y Y Neogobius melanostomus (Pallas, 1814) Round Goby NHMSYS0021117903 Y Y Y Y (J.W.Bailey) M.-S.Kim, H.- G.Choi, Guiry & Polysiphonia harveyi, Neosiphonia harveyi G.W.Saunders, 2001 Polysiphonia insidiosa NHMSYS0021059963 Y Unknown Long-term Neovison vison (Schreber, 1777) Mustela vison American Mink, Mink NHMSYS0020774297 Y management Y Y Netta rufina (Pallas, 1773) Red-Crested Pochard NBNSYS0000000268 Y Y Nyctereutes procyonoides (Gray, 1834) Raccoon Dog NHMSYS0021109736 Y Y Y Y Y Nycticorax griseus, Black-Crowned Night Nycticorax nycticorax (Linnaeus, 1758) Nycticorax gardeni Heron, Night Heron NHMSYS0000530505 Y Y Obesogammarus obesus (Sars G.O., 1894) NHMSYS0021177831 Y Y Pteropurpura (Ocinebrellus) inornata, Surveillance: Ocenebra inornata (R√©cluz, 1851) Pteropurpura inornatus NHMSYS0021055839 Y Y Y Y Y high Y Odontella sinensis (Greville) Grunow, 1884 NHMSYS0000547996 Y Unknown Steelhead Trout, Oncorhynchus mykiss (Walbaum, 1792) Salmo gairdneri Rainbow Trout NHMSYS0000544715 Y Low Ondatra zibethicus (Linnaeus, 1766) Castor zibethicus Musk Rat NBNSYS0000040193 Y Y Y Orconectes limosus (Rafinesque, 1817) Astacus limosus Spiny-cheek crayfish NHMSYS0001593792 Y Prevention Y Y Y Moderate

Orconectes virilis (Hagen, 1870) NHMSYS0020499911 Y Prevention Y Y Y High Ostrea chilensis Philippi, 1844 Tiostrea lutaria NHMSYS0021055119 Y Y Low Oxyura jamaicensis (Gmelin, 1789) NHMSYS0000530524 Y Management Y Y Y Clavopsella quadranularia, Pachycordyle navis (Millard, 1959) Clavopsella navis Brackish Hydroid NHMSYS0020051714 Y Unknown American Signal Crayfish, Signal Long-term Pacifastacus leniusculus (Dana, 1852) Astacus leniusculus Crayfish NHMSYS0000377494 Y management Y Y High Paralithodes camtschaticus (Tilesius, 1815) NHMSYS0020955194 Y Y Y Parthenium hysterophorus L. Santa-Maria NBNSYS0200002802 Y Y Y Y Ampelopsis inserta, Parthenocissus Parthenocissus inserta (A. Kern.) Fritsch quinquefolia False Virginia-Creeper NHMSYS0000461525 Y Y Parthenocissus quinquefolia (L.) Planch. Hedera quinquefolia Virginia-Creeper NHMSYS0000461527 Y Y Pelophylax esculentus (Linnaeus, 1758) Rana esculenta Edible Frog NHMSYS0020194861 Y Y Pelophylax ridibundus (Pallas, 1771) Rana ridibunda Lake Frog, Marsh Frog NHMSYS0020194860 Y Y

Penaeus japonicus Spence Bate, 1888 Marsupenaeus japonicus NHMSYS0021049533 Y Unknown Perccottus glenii Dybowski, 1877 Chinese Sleeper NHMSYS0021177283 Y Y Y Y Persicaria perfoliata (L.) H. Gross Mile-A-Minute Weed NHMSYS0021177428 Y Y Y Y Petasites japonicus subsp. giganteus, Giant Butterbur, Petasites japonicus (Siebold & Zucc.) Maxim. Nardosmia japonica Creamy Butterbur NBNSYS0000004389 Y Low Petricolaria pholadiformis (Lamarck, 1818) American Piddock NHMSYS0021006626 Y Unknown Phagocata woodworthi Hyman, 1937 NBNSYS0000013187 Y Unknown Physa acuta, Physa Physella acuta (Draparnaud, 1805) heterostropha NHMSYS0001702159 Y Unknown Physella gyrina (Say, 1821) Physa gyrina NHMSYS0001702160 Y Unknown Picea sitchensis (Bong.) Carri√®re Pinus menziesii Sitka Spruce NHMSYS0000461257 Y Y Pikea californica Harvey, 1853 NHMSYS0021060145 Y Y Low

Pileolaria berkeleyana (Rioja, 1942) Pileolaria rosepigmentata NBNSYS0000185683 Y Unknown Pimephales promelas Rafinesque, 1820 Fathead Minnow NHMSYS0021109767 Y Pinctada imbricata radiata (Leach, 1814) Pinctada radiata NHMSYS0021055187 Y Unknown Pinus contorta Douglas ex Loudon Lodgepole Pine NBNSYS0000004786 Y Y Pinus contorta subsp. Pinus contorta var. latifolia Engelm. latifolia Lodgepole Pine NHMSYS0000494853 Y Y Pistia stratiotes L. Water-Lettuce NBNSYS0200002892 Y Y Planaria torva (M√ºller OF, 1773) NHMSYS0021057088 Y Unknown Pleurosigma simonsensii To be added to UKSI Y Unknown Plotosus lineatus Striped eel catfish Y Y Y Podarcis muralis (Laurenti, 1768) Wall Lizard NHMSYS0000080229 Y Y Polysiphonia subtilissima To be added to UKSI Y Y Pontogammarus robustoides (Sars, 1894) NHMSYS0021177335 Y Y Porphyra (non-native) To be added to Atlas Y Y Potamopyrgus antipodarum (J.E. Gray, 1843) Potamopyrgus jenkinsi Jenkins' Spire Snail NHMSYS0021055602 Y Moderate Procambarus acutus Girard, 1852 NHMSYS0021169023 Y Moderate Procambarus clarkii (Girard, 1852) Cambarus clarkii Red Swamp Crayfish NHMSYS0000377495 Y Prevention Y Y Y Moderate Procambarus fallax (Hagen, 1870) Deceitful Crayfish NHMSYS0021169029 Y Moderate Procambarus fallax f. virginalis (Martin et al, 2010) Marmorkrebs NHMSYS0021177354 Y Y Y Y Y Moderate Procyon lotor (Linnaeus, 1758) Raccoon NHMSYS0021109776 Y Y Y Y Y Prosopis juliflora Mesquite Y Y Y Proterorhinus marmoratus (Pallas, 1814) NHMSYS0001692023 Y Y Y Y Western Tubenose Proterorhinus semilunaris (Heckel, 1837) Goby NHMSYS0021177295 Y Y Long-term Prunus laurocerasus L. Cherry Laurel NBNSYS0000003420 Y management Y Prunus serotina Ehrh. Rum Cherry NBNSYS0000014213 Y Y Pseudochattonella verruculosa To be added to UKSI Y Y (Temminck and Schlegel, Pseudorasbora parva 1846) Topmouth Gudgeon NHMSYS0000544730 Y Management Y Y Y High Ring-Necked Parakeet, Psittacula krameri (Scopoli, 1769) Rose-Ringed Parakeet NHMSYS0000530792 Y Y Pudu puda To be added to UKSI Y Pueraria montana var. lobata (Willd.) Sanjappa & Pradeep Pueraria lobata Kudzu NHMSYS0021177458 Y Y Y Y Surveillance: Rapana venosa (Valenciennes, 1846) NHMSYS0020955240 Y Y Y Y high Rattus rattus (Linnaeus, 1758) Black Rat, Ship Rat NHMSYS0000080213 Y Y Rhithropanopeus harrisii (Gould, 1841) NBNSYS0000186554 Y Unknown Rhodeus sericeus Rhodeus amarus (Bloch, 1782) subsp. amarus Bitterling NHMSYS0001692008 Y Unknown Rhodeus sericeus (Pallas, 1776) NHMSYS0000544734 Y Y Yellow Azalea, Yellow Rhododendron luteum Sweet Rhodea NBNSYS0000003889 Y Y Y Long-term Rhododendron ponticum L. NBNSYS0000003888 Y management Y Y High Rhododendron ponticum x Long-term Rhododendron maximum NHMSYS0020744917 Y management Y High False-Acacia, False Robinia pseudoacacia L. Acacia, Locust NBNSYS0000003265 Y Y Long-term Rosa rugosa Thunb. Japanese Rose NHMSYS0000462477 Y management Y Y Duck-Potato, Duck Sagittaria latifolia Willd. Potato NBNSYS0000002106 Y Y Char, Speckled Charr, American Brook Trout, Brook Charr, Brook Salvelinus fontinalis (Mitchill, 1814) Trout NHMSYS0000544752 Y Unknown Salvinia molesta Mitchell NHMSYS0020744923 Y Y Y Y Sander lucioperca (Linnaeus, 1758) Stizostedion lucioperca Zander, Pikeperch NHMSYS0000544754 Y Y Y Moderate Monitoring: Sargassum muticum (Yendo) Fensholt, 1955 Wireweed NHMSYS0021058667 Y Y Y medium Low Sarracenia purpurea L. Pitcherplant NBNSYS0000003523 Y Prevention Y Y Schizoporella errata (Waters, 1878) NBNSYS0000186865 Y Y Monitoring: Schizoporella japonica Ortmann, 1890 NHMSYS0021053022 Y medium Long-term Sciurus carolinensis Gmelin, 1788 Eastern Grey Squirrel NHMSYS0000332764 Y management Y Y Sciurus niger Linnaeus, 1758 Fox Squirrel NHMSYS0021177645 Y Y Y Y

Wels, Wels Catfish, Silurus glanis Linnaeus, 1758 Catfish, Danube Catfish NHMSYS0000544758 Y Y Y Unknown Smyrnium perfoliatum L. Perfoliate Alexanders NBNSYS0000003653 Y Y Solieria chordalis (C.Agardh) J.Agardh, 1842 NHMSYS0021060213 Y Unknown Spartina x townsendii var. anglica, Spartina townsendii, Spartina townsendii, Spartina x Spartina anglica C.E. Hubb. townsendii var. anglica Common Cord-Grass NHMSYS0000463855 Y Y High

Stipa neesiana Trin. & Rupr. Nassella neesiana American Needle-Grass NBNSYS0000014862 Y Y Y Monitoring: Styela clava Herdman, 1881 Leathery Sea Squirt NBNSYS0000178204 Y Y medium High Syrmaticus reevesii (Gray, 1829) Reeves's Pheasant NHMSYS0000533791 Y Y Tadorna casarca, Tadorna ferruginea (Pallas, 1764) Tadorna rutila Ruddy Shelduck NHMSYS0000530654 Y Y Tamias sibiricus (Laxmann, 1769) Siberian Chipmunk NHMSYS0021109804 Y Prevention Y Y Y Y Telmatogeton japonicus Tokunaga, 1933 NBNSYS0100005753 Y Y Thalassiosira punctigera (Castracane) Hasle, 1983 NHMSYS0021058295 Y Unknown Thalassiosira tealata Takano, 1980 NHMSYS0021058298 Y Unknown ([Denis & Schifferm√ºller], Thaumetopoea pityocampa 1775) Pine Processionary NHMSYS0021144336 Y Y Theora lubrica Gould, 1861 Window Shell NHMSYS0021177787 Y Y Threskiornis aethiopicus (Latham, 1790) Sacred Ibis NHMSYS0000534047 Y Prevention Y Y Y Y Tracheliastes polycolpus von Nordmann, 1832 NHMSYS0001593915 Y Unknown Trachemys scripta (Schoepff, 1792) Chrysemys scripta Red-Eared Terrapin NHMSYS0000080227 Y Y Y Triadica sebifera Sapium sebiferum Chinese tallow Y Y Y Italian Warty Newt, Triturus carnifex (Laurenti, 1768) Italian Crested Newt NHMSYS0000080155 Y Y Tsuga mertensiana, Tsuga albertiana, Abies Tsuga heterophylla (Raf.) Sarg. heterophylla Western Hemlock NBNSYS0000004672 Y Y Typha gracilis To be added to UKSI Y Y Typha laxmannii Lepech. NHMSYS0000464691 Y Y Typha martini To be added to UKSI Y Y Typha stenophylla To be added to UKSI Y Y Monitoring: Undaria pinnatifida (Harvey) Suringar, 1873 Wakame NHMSYS0021058672 Y Y medium Unknown Surveillance: Urosalpinx cinerea (Say, 1822) American Sting Winkle NBNSYS0000178578 Y Y Y Y high High Vallisneria spiralis L. Tapegrass NBNSYS0000002118 Low Vespa velutina Lepeletier, 1836 Asian Hornet NHMSYS0020936646 Prevention Y Y Y Vinca difformis Pourr. Vinca major Intermediate Periwinkle NHMSYS0000464871 Y Vinca major subsp. hirsuta, Vinca herbacea, Vinca major subsp. hirsuta, Vinca major var. Vinca major L. oxyloba Greater Periwinkle NBNSYS0000003954 Y Vinca minor L. Lesser Periwinkle NBNSYS0000003953 Y Watersipora subatra (Ortmann, 1890) NHMSYS0021118104 Y Monitoring: high Xenopus laevis (Daudin, 1802) African Clawed Toad NHMSYS0000080166 Prevention Y Y Y Zamenis longissimus (Laurenti, 1768) Elaphe longissima Aesculapian Snake NHMSYS0021109885 Management Y Y