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Invasive species in New Zealand

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82: 115: 689:, with a listing of about 120 genus, species, hybrids and subspecies, was developed to limit the spread of plant pests. Invasive plants are classified as such on a regional basis with some plants declared as national plant pests. Biosecurity New Zealand manages a small number of weeds under the National Interest Pest Responses programme. As of May 2024, NIPR covers nine weeds. Hornwort ( 73:
maintains registers and lists of species that are invasive, potentially invasive, or a threat to agriculture or biodiversity. They also manage a small number of species under the National Interest Pest Responses (NIPR) programme. The
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There will be sites where the Department will want to eradicate salmonids species because they pose a significant threat to the maintenance of a threatened species or ecosystem...
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Pests & Weeds: The Cost of Restoring an Indigenous Dawn Chorus: A Blueprint for Action Against the Impacts of Introduced Pest Organisms on the New Zealand Environment
1827: 1793: 1725: 1657: 2954: 2944: 2934: 2924: 1618: 2987: 2909: 2445: 2061: 2025: 2597: 1647:. The Invasive Species Specialist Group (ISSG), a specialist group of the Species Survival Commission (SSC) of the World Conservation Union (IUCN), Auckland. 28:'s native flora and fauna. Both deliberate and accidental introductions have been made from the time of the first human settlement, with several waves of 1989: 78:
is the one animal that has been covered by the NIPR, and was eradicated in 2014. All the other species covered by the NIPR, past or present, are weeds.
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Howse, Matthew W. F.; McGruddy, Rose A.; Felden, Antoine; Baty, James W.; Haywood, John; Lester, Philip J. (22 February 2022).
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Almost without exception, the introduced species have been detrimental to the native flora and fauna, but some, such as farmed
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Despite the myth, deer are not an ecological substitute for moa and should be part of NZ’s predator-free plan
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Auckland has the dubious honour of being the weediest city in the world, with 220 weeds (and climbing).
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100 of the World's Worst Invasive Alien Species: A selection from the Global Invasive Species Database
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Immigrant Killers: Introduced Predators and the Conservation of Birds in New Zealand
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David M. Forsyth, Janet M. Wilmshurst, Robert B. Allen, David A. Coomes, 2010,
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Feasibility of successful biological control of paper wasps, Polistes spp
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Lowe S., Browne M., Boudjelas S. and de Poorter M. (2000, updated 2004).
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An illustrated guide to common weeds of New Zealand / Bruce Roy ...
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Impacts of introduced deer and extinct moa on New Zealand ecosystems
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Many invasive animal species are listed in schedules 5 and 6 of the
114: 1586:"No more rats: New Zealand to exterminate all introduced predators" 1249: 1202: 782: 770: 376: 2514: 1142: 915: 837: 695:) was covered until it was eradicated in 2014. Additionally, the 531: 482: 467: 396: 271: 32:
people at some time before the year 1300, followed by Europeans
972: 708: 316: 48: 2117: 2115: 2446:"The Future of Pest Management in New Zealand: A Think Piece" 982: 666:, thought to have arrived with a steel shipment in the 1980s 40: 2505:– searchable database at the Ministry for Primary Industries 2451:. Local Government New Zealand. August 2008. Archived from 2388:"Review of emerging weed problems in hill country pastures" 2112: 60: 2385: 2427:"Weed numbers in New Zealand's forest and scrub reserves" 2402:
The naturalisation of animals & plants in New Zealand
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did not land, so is unlikely to have introduced anything.
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lists 328 vascular plant species as environmental weeds.
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has been declared to be the weediest city in the world.
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Consolidated list of environmental weeds in New Zealand
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Some of the better-known invasive plant species are:
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Some of the invasive animal species are as follows.
2424: 2300:. Wellington : New Zealand Conservation Authority. 2162:. DRDS292. Wellington: Department of Conservation. 636:As of 18 January 2021 there are 73 known 139:. Unsourced material may be challenged and removed. 51:upon which they feed, now form a large part of the 3078: 2277:Allen, Robert B.; Lee, William G., eds. (2006). 1344:Rat remains help date New Zealand's colonisation 219:. In 2016 the New Zealand government introduced 2886: 2605: 2258:"Attitude change prescribed for weedy Auckland" 2059: 1895: 2872: 2591: 2471:New Zealand Plant Protection Society (2004). 2440:(2). New Zealand Ecological Society: 153–162. 2255: 1956: 712:species (mostly Australian) especially wattle 90:(old man's beard) smothering a cabbage tree ( 63:) to serve as ecological proxies for extinct 2386:Rahman, Anis and Ian Popay (1 August 2001). 2371:"The displacement of species in New Zealand" 2067:(Report). Manaaki Whenua – Landcare Research 2031:. Department of Conservation. Archived from 2010:. Department of Conservation. Archived from 1992:. Department of Conservation. Archived from 1990:"Gambusia (formerly known as mosquito fish)" 1864:. Wellington, NZ: Department of Conservation 1563:"National Interest Pest Responses programme" 1538:"Registers and lists for pests and diseases" 2000: 1632: 1630: 1628: 2879: 2865: 2598: 2584: 2530:What's New in Biological Control of Weeds? 2148: 2146: 2375:Transactions of the New Zealand Institute 2351: 2103: 1650: 1272: 199:Learn how and when to remove this message 2550:Kararehe Kino = Vertebrate Pest Research 2295: 2276: 1982: 1962: 1882: 1625: 1289: 80: 2405:. England: Cambridge University Press. 2398: 2143: 1557: 1555: 3079: 2152: 1752: 1718: 1350:. 4 June 2008. Retrieved 23 June 2008. 1267:Invasive species of New Zealand origin 2860: 2579: 2319:. Auckland: Oxford University Press. 2018: 1963:Mitchell, Charlie (26 January 2020). 2368: 2333: 2314: 2122:Jong, Eleanor de (19 January 2021). 2121: 1552: 1440:Moa vs Deer – are they so different? 1371: 1318: 229: 137:adding citations to reliable sources 108: 2346:(4). Royal Society of New Zealand. 2279:Biological Invasions in New Zealand 1786: 1584:Roy, Eleanor Ainge (25 July 2016). 1583: 13: 2503:Official New Zealand Pest Register 2270: 1397: 681:Plant and other non-animal species 14: 3108: 2490: 2425:Timmins, S; Williams, P. (1991). 1296:Blue morning glory in New Zealand 1284:Painted apple moth in New Zealand 148:"Invasive species in New Zealand" 104: 2399:Thomson, George Malcolm (1922). 1836:Global Invasive Species Database 1802:Global Invasive Species Database 1768:Global Invasive Species Database 1734:Global Invasive Species Database 1700:Global Invasive Species Database 1666:Global Invasive Species Database 744:- giant reed (or elephant grass) 542: 113: 3087:Invasive species in New Zealand 2249: 2231: 2209: 2183: 2079: 2053: 1938: 1920: 1876: 1854: 1820: 1684: 1611: 1577: 1530: 1515: 1497: 1485:Farah Hancock, April 14, 2019, 1479: 419:Plague skink or rainbow skink ( 124:needs additional citations for 2905:Federated States of Micronesia 2434:New Zealand Journal of Ecology 2353:10.1080/03014223.1993.10420365 2340:New Zealand Journal of Zoology 2334:King, Carolyn M., ed. (1993). 1521:Adrian Currie, April 3, 2017, 1470:Hannah Rae, February 6, 2022, 1464: 1452:Beth Daley, October 19, 2022, 1446: 1437:Kate Guthrie, April 25, 2019, 1431: 1417: 1391: 1365: 1353: 1337: 1312: 1: 3092:Lists of biota of New Zealand 1619:"Kiore » Pest Detective" 1306: 2511:, Department of Conservation 2153:Howell, Clayson (May 2008). 2060:Robert L. Brown (May 2021). 217:Wild Animal Control Act 1977 55:. Possibility of introduced 20:, some of which have become 7: 2887:Invasive species in Oceania 1255: 776:Chrysanthemoides monilifera 413: 10: 3113: 2515:Information on plant pests 2105:10.1007/s10530-022-02739-0 1279:Gypsy moths in New Zealand 697:Department of Conservation 687:National Pest Plant Accord 653:Philoponella congregabilis 630: 234: 3097:Lists of invasive species 2996: 2973: 2892: 2817: 2777: 2746: 2725: 2665: 2649: 2642: 2635: 2614: 2315:King, Carolyn M. (1985). 1565:. Biosecurity New Zealand 1540:. Biosecurity New Zealand 882:("didymo" or "rock snot") 640:spiders, of which 50 are 3051:Northern Mariana Islands 2296:Hackwell, Kevin (1999). 2260:(Press release). Snoop. 2239:"Weed Information Sheet" 1907:New Zealand Birds Online 1443:, Predator Free NZ Trust 1404:New Zealand Birds Online 1214:Tradescantia fluminensis 852:Schinus terebinthifolius 431: 3016:Cocos (Keeling) Islands 2497:Biosecurity New Zealand 2411:10.5962/bhl.title.55364 1883:www.upane.it, Upane -. 1473:NZ Hunter - Deer Vs Moa 733:Sagittaria sagittifolia 575:Australian paper wasp ( 508: 277:Common brushtail possum 71:Biosecurity New Zealand 1511:New Zealand Geographic 1273:Animals in New Zealand 1196:Asparagus asparagoides 1001:Erigeron karvinskianus 950:Hedychium gardnerianum 879:Didymosphenia geminata 692:Ceratophyllum demersum 101: 53:economy of New Zealand 2999:and other territories 2552:, Landcare Research, 2533:, Landcare Research, 1728:Oryctolagus cuniculus 1660:Trichosurus vulpecula 1643:16 March 2017 at the 1524:Much Ado About Niches 1488:Deer are not like moa 1321:The Quest for Origins 1290:Plants in New Zealand 1222:Hydrocotyle umbellata 1149:Rhododendron ponticum 602:European paper wasp ( 422:Lampropholis delicata 321:Mustela putorius furo 306:Oryctolagus cuniculus 281:Trichosurus vulpecula 84: 67:has been questioned. 24:, have been added to 2281:. Berlin: Springer. 2092:Biological Invasions 1319:Howe, K. R. (2003). 1262:Fauna of New Zealand 1011:Ageratina adenophora 926:Japanese honeysuckle 664:Latrodectus hasselti 341:Equus ferus caballus 133:improve this article 2499:, government agency 2394:on 10 January 2011. 2256:Landcare Research. 2014:on 1 December 2020. 1996:on 1 February 2019. 1694:Erinaceus europaeus 1231:Solanum mauritianum 1228:Woolly nightshade ( 1207:Acer pseudoplatanus 1188:Onopordum acanthium 1090:Cortaderia selloana 990:Anredera cordifolia 977:Eriobotrya japonica 940:Jasminum polyanthum 813:Californian thistle 761:Banana passionfruit 750:Reynoutria japonica 584:Carpet sea squirt ( 557:Asian paddle crab ( 478:European greenfinch 93:Cordyline australis 2219:. Auckland Council 2217:"Castor oil plant" 1842:on 27 October 2014 1808:on 27 October 2014 1774:on 27 October 2014 1740:on 27 October 2014 1706:on 27 October 2014 1672:on 27 October 2014 1372:Hutching, Gerard. 1133:Queen of the night 1123:Purple loosestrife 1080:Lagarosiphon major 1050:Araujia sericifera 862:Asparagus scandens 858:Climbing asparagus 747:Asiatic knotweed ( 569:Polistes chinensis 566:Asian paper wasp ( 560:Charybdis japonica 551:Linepithema humile 473:European goldfinch 221:Predator Free 2050 102: 18:introduced species 3074: 3073: 3066:Wallis and Futuna 2974:Associated states 2854: 2853: 2850: 2849: 2813: 2812: 2509:Pests and threats 2369:Kirk, T. (1895). 2326:978-0-19-558115-7 2197:. 19 January 2017 2169:978-0-478-14413-0 1506:Too much browsing 1219:Water pennywort ( 1137:Cestrum nocturnum 1127:Lythrum salicaria 1115:Ligustrum sinense 1105:Ligustrum lucidum 1030:Ageratina riparia 930:Lonicera japonica 888:Equisetum arvense 885:Field horsetail ( 868:Darwin's barberry 807:Rhamnus alaternus 797:Cytisus scoparius 787:Lycium ferossimum 755:Fallopia japonica 720:- bear's breeches 677: 676: 623:Varroa destructor 614:Vespula germanica 605:Polistes dominula 587:Didemnum vexillum 438:Australian magpie 297:European hedgehog 245:Rattus norvegicus 213:Wildlife Act 1953 209: 208: 201: 183: 3104: 3056:Pitcairn Islands 3026:French Polynesia 3011:Christmas Island 2940:Papua New Guinea 2920:Marshall Islands 2893:Sovereign states 2881: 2874: 2867: 2858: 2857: 2647: 2646: 2640: 2639: 2607:Invasive species 2600: 2593: 2586: 2577: 2576: 2572: 2571: 2569: 2560:, archived from 2541: 2486: 2467: 2465: 2463: 2457: 2450: 2441: 2431: 2421: 2419: 2417: 2395: 2390:. Archived from 2382: 2365: 2355: 2330: 2311: 2292: 2265: 2264: 2253: 2247: 2246: 2235: 2229: 2228: 2226: 2224: 2213: 2207: 2206: 2204: 2202: 2187: 2181: 2180: 2178: 2176: 2161: 2150: 2141: 2140: 2138: 2136: 2119: 2110: 2109: 2107: 2083: 2077: 2076: 2074: 2072: 2066: 2057: 2051: 2050: 2045: 2043: 2037: 2030: 2022: 2016: 2015: 2004: 1998: 1997: 1986: 1980: 1979: 1977: 1975: 1960: 1954: 1953: 1950:www.iucngisd.org 1942: 1936: 1935: 1932:www.iucngisd.org 1924: 1918: 1917: 1915: 1913: 1903:"Common redpoll" 1899: 1893: 1892: 1889:www.iucngisd.org 1880: 1874: 1873: 1871: 1869: 1858: 1852: 1851: 1849: 1847: 1838:. Archived from 1824: 1818: 1817: 1815: 1813: 1804:. Archived from 1790: 1784: 1783: 1781: 1779: 1770:. Archived from 1756: 1750: 1749: 1747: 1745: 1736:. Archived from 1722: 1716: 1715: 1713: 1711: 1702:. Archived from 1688: 1682: 1681: 1679: 1677: 1668:. Archived from 1654: 1648: 1634: 1623: 1622: 1615: 1609: 1608: 1606: 1604: 1581: 1575: 1574: 1572: 1570: 1559: 1550: 1549: 1547: 1545: 1534: 1528: 1519: 1513: 1501: 1495: 1483: 1477: 1468: 1462: 1460:The Conversation 1450: 1444: 1435: 1429: 1421: 1415: 1414: 1412: 1410: 1395: 1389: 1388: 1386: 1384: 1369: 1363: 1357: 1351: 1341: 1335: 1334: 1316: 1242:Iris pseudacorus 1060:Clematis vitalba 1019:Dipogon lignosus 920:Calluna vulgaris 872:Berberis darwnii 842:Ricinus communis 838:Castor oil plant 827:Drosera capensis 596:Vespula vulgaris 578:Polistes humilis 521:Gambusia affinis 493:Rainbow lorikeet 263:(Polynesian rat) 230: 204: 197: 193: 190: 184: 182: 141: 117: 109: 87:Clematis vitalba 76:rainbow lorikeet 22:invasive species 3112: 3111: 3107: 3106: 3105: 3103: 3102: 3101: 3077: 3076: 3075: 3070: 2998: 2992: 2975: 2969: 2950:Solomon Islands 2888: 2885: 2855: 2846: 2809: 2773: 2742: 2721: 2661: 2631: 2610: 2604: 2567: 2565: 2544: 2527: 2493: 2483: 2461: 2459: 2458:on 23 July 2011 2455: 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1396: 1392: 1382: 1380: 1374:"Swamp harrier" 1370: 1366: 1358: 1354: 1342: 1338: 1331: 1323:. p. 179. 1317: 1313: 1309: 1301:Wilding conifer 1292: 1275: 1258: 1247: 1157:Osmunda regalis 1056:Old man's beard 1016:Mile-a-minute ( 896:Glyceria maxima 817:Cirsium arvense 683: 678: 633: 548:Argentine ant ( 545: 511: 463:Common starling 434: 416: 371:Mustela erminea 302:European rabbit 243:or Norway rat ( 237: 205: 194: 188: 185: 142: 140: 130: 118: 107: 100:of Christchurch 12: 11: 5: 3110: 3100: 3099: 3094: 3089: 3072: 3071: 3069: 3068: 3063: 3058: 3053: 3048: 3046:Norfolk Island 3043: 3038: 3033: 3028: 3023: 3018: 3013: 3008: 3006:American Samoa 3002: 3000: 2994: 2993: 2991: 2990: 2985: 2979: 2977: 2976:of New Zealand 2971: 2970: 2968: 2967: 2962: 2957: 2952: 2947: 2942: 2937: 2932: 2927: 2922: 2917: 2912: 2907: 2902: 2896: 2894: 2890: 2889: 2884: 2883: 2876: 2869: 2861: 2852: 2851: 2848: 2847: 2845: 2844: 2839: 2838: 2837: 2827: 2821: 2819: 2815: 2814: 2811: 2810: 2808: 2807: 2806: 2805: 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1217: 1210: 1200: 1191: 1184:Scotch thistle 1181: 1180:(crack willow) 1169: 1161: 1152: 1145: 1140: 1130: 1120: 1119: 1118: 1111:Chinese privet 1108: 1093: 1083: 1073: 1063: 1053: 1043: 1033: 1023: 1014: 1004: 994: 987:Madeira vine ( 985: 980: 970: 967:Pinus contorta 963:Lodgepole pine 960: 957:Lantana camara 953: 943: 933: 923: 913: 910:Ulex europaeus 903: 899:, also called 892: 883: 875: 865: 855: 848:Christmasberry 845: 835: 830: 820: 810: 800: 790: 780: 768: 763: 758: 745: 737: 728: 721: 713: 704: 682: 679: 675: 674: 670: 669: 668: 667: 656: 646: 645: 632: 629: 628: 627: 618: 609: 600: 591: 582: 573: 564: 555: 544: 541: 540: 539: 534: 529: 524: 517: 510: 507: 506: 505: 500: 495: 490: 485: 480: 475: 470: 465: 460: 458:Common redpoll 455: 450: 445: 440: 433: 430: 428: 427: 426: 415: 412: 411: 410: 408:Whitetail deer 405: 399: 394: 389: 384: 379: 374: 364: 359: 354: 344: 334: 332:Himalayan tahr 329: 324: 314: 309: 299: 294: 289: 284: 274: 269: 264: 258: 248: 236: 233: 228: 207: 206: 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1857: 1841: 1837: 1833: 1831: 1823: 1807: 1803: 1799: 1797: 1789: 1773: 1769: 1765: 1763: 1755: 1739: 1735: 1731: 1729: 1721: 1705: 1701: 1697: 1695: 1687: 1671: 1667: 1663: 1661: 1653: 1646: 1642: 1639: 1633: 1631: 1629: 1620: 1614: 1599: 1595: 1591: 1587: 1580: 1564: 1558: 1556: 1539: 1533: 1526: 1525: 1518: 1512: 1508: 1507: 1500: 1494: 1490: 1489: 1482: 1475: 1474: 1467: 1461: 1457: 1456: 1449: 1442: 1441: 1434: 1428: 1427: 1420: 1405: 1401: 1394: 1379: 1375: 1368: 1361: 1356: 1349: 1348:New Scientist 1345: 1340: 1332: 1330:0-14-301857-4 1326: 1322: 1315: 1311: 1302: 1299: 1297: 1294: 1293: 1285: 1282: 1280: 1277: 1276: 1268: 1265: 1263: 1260: 1259: 1253: 1251: 1243: 1239: 1236: 1233: 1232: 1227: 1224: 1223: 1218: 1216: 1215: 1211: 1208: 1204: 1201: 1198: 1197: 1192: 1189: 1185: 1182: 1179: 1178: 1174: 1170: 1168:(gray willow) 1167: 1166: 1165:Salix cinerea 1162: 1159: 1158: 1153: 1151: 1150: 1146: 1144: 1141: 1138: 1134: 1131: 1128: 1124: 1121: 1116: 1112: 1109: 1106: 1102: 1099: 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1076:Oxygen weed 1066:Oxygen weed 1040:Convolvulus 823:Cape sundew 730:Arrowhead ( 644:, including 537:Brown trout 527:Common rudd 453:Common myna 387:Sambar deer 347:House mouse 312:Fallow deer 26:New Zealand 3081:Categories 2708:Everglades 2698:California 2643:By country 2609:by country 2482:0473097605 2201:21 January 2135:20 January 2071:17 January 1603:21 January 1409:20 January 1383:20 January 1307:References 1046:Moth plant 1026:Mistflower 833:Cape tulip 766:Blackberry 725:Agapanthus 642:Australian 638:introduced 189:March 2013 159:newspapers 98:Port Hills 57:herbivores 34:after 1769 30:Polynesian 2900:Australia 2785:Australia 2622:Australia 2615:By origin 2558:1170-3016 2539:1177-8784 2362:0301-4223 1598:0261-3077 1544:17 August 1527:, Extinct 1476:, Everand 803:Buckthorn 488:Mute Swan 392:Sika deer 382:Rusa deer 251:Black rat 241:Brown rat 96:) in the 2915:Kiribati 2764:Portugal 2678:Colombia 2666:Americas 2462:25 March 2195:BBC News 1846:10 April 1778:10 April 1744:10 April 1676:10 April 1641:Archived 1493:Newsroom 1256:See also 1250:Auckland 1203:Sycamore 1193:Smilax ( 1177:fragilis 783:Boxthorn 771:Boneseed 717:Acanthus 414:Reptiles 377:Red deer 47:and the 3061:Tokelau 2965:Vanuatu 2778:Oceania 2769:Ukraine 2703:Florida 2636:By host 2568:14 June 2416:2 April 2381:: 1–27. 1812:9 April 1710:9 April 1143:Ragwort 936:Jasmine 916:Heather 660:redback 631:Spiders 532:Catfish 483:Mallard 468:Dunnock 397:Wallaby 272:Chamois 235:Mammals 173:scholar 3036:Hawaii 2960:Tuvalu 2830:Europe 2825:Africa 2803:Hawaii 2747:Europe 2683:Mexico 2673:Canada 2650:Africa 2556:  2537:  2479:  2360:  2323:  2304:  2285:  2166:  2008:"Rudd" 1946:"GISD" 1928:"GISD" 1885:"GISD" 1596:  1569:12 May 1378:Te Ara 1327:  1096:Privet 1070:Egeria 973:Loquat 709:Acacia 672: 402:Wapiti 317:Ferret 175:  168:  161:  154:  146:  49:clover 2955:Tonga 2945:Samoa 2935:Palau 2925:Nauru 2759:Italy 2733:Japan 2715:Texas 2456:(PDF) 2449:(PDF) 2430:(PDF) 2175:6 May 2160:(PDF) 2065:(PDF) 2036:(PDF) 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Index

introduced species
invasive species
New Zealand
Polynesian
after 1769
sheep
cows
clover
economy of New Zealand
herbivores
deer
moa
Biosecurity New Zealand
rainbow lorikeet

Clematis vitalba
Cordyline australis
Port Hills

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"Invasive species in New Zealand"
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Wildlife Act 1953

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