The National Pest Plant Accord (NPPA) is a New Zealand agreement that identifies pest plants that are prohibited from sale and commercial propagation and distribution.

The Accord initially came into effect on 1 October 2001 between regional councils and government departments with biosecurity responsibilities, but in 2006 was revised to include the Nursery and Garden Industry Association as a member of the decision-making body. Under the Accord, regional councils undertake surveillance to ensure the pest plants are not being sold, propagated or distributed.

The Department of Conservation also lists 328 vascular plant species as environmental weeds – species that infest, are controlled on, or are damaging to land under its control.

List of species

The National Pest Plant Accord is periodically updated, which was last done in 2012:

Scientific name Common name (1) Common name (2) Common name (3) Ailanthus altissima tree of heaven Akebia quinata akebia chocolate vine five-leaved akebia Alternanthera philoxeroides alligator weed pigweed Anredera cordifolia Madeira vine mignonette vine Araujia hortorum moth plant cruel plant white bladder flower Aristea ecklonii aristea blue iris Arundo donax giant reed arundo grass Asparagus aethiopicus bushy asparagus emerald feather Sprengeri fern, Sprenger's asparagus Asparagus asparagoides smilax bridal creeper Asparagus plumosus asparagus fern Asparagus scandens climbing asparagus Berberis darwinii Darwin's barberry Bomarea multiflora bomarea climbing alstromeria Bryonia cretica white bryony Calluna vulgaris (excluding double flowered cultivars) heather ling Cardiospermum grandiflorum balloon vine Cardiospermum halicacabum small balloon vine Carpobrotus edulis ice plant Carex pendula dropping sedge Otahuna sedge Celastrus orbiculatus climbing spindle berry Oriental bittersweet Cenchrus (all species, excluding C. clandestinus and C. americanus) Ceratophyllum demersum hornwort coontail Cestrum aurantiacum orange cestrum Cestrum elegans red cestrum Cestrum fasciculatum red cestrum early jessamine Cestrum nocturnum queen of the night Cestrum parqui green cestrum Chrysanthemoides monilifera boneseed Clematis flammula clematis fragrant virgin's bower plume clematis Clematis vitalba old man's beard Clerodendrum trichotomum clerodendrum Cobaea scandens cathedral bells Cortaderia jubata purple pampas Cortaderia selloana pampas Cotoneaster simonsii Khasia berry Cotyledon orbiculata (and cultivars) pig's ear Crassula multicava pitted crassula fairy crassula Cyathea cooperi Australian tree fern lacy tree fern Dipogon lignosus mile-a-minute Drosera capensis Cape sundew Eccremocarpus scaber Chilean glory creeper Chilean glory vine glory vine, Chilean glory flower Egeria densa egeria oxygen weed Brazilian elodea Ehrharta villosa pyp grass Eichhornia crassipes water hyacinth Eomecon chionantha snow poppy poppy of the dawn Chinese bloodroot Equisetum (all species) horsetail Eragrostis curvula African love grass Erigeron karvinskianus Mexican daisy Euonymus japonicus (excluding small-leaved cultivars such as 'Microphylla' and 'Emerald Gem') Japanese spindle tree Fallopia sachalinensis (and hybrids) giant knotweed Ficus rubiginosa Port Jackson fig Fuchsia boliviana Bolivian fuchsia Gunnera tinctoria Chilean rhubarb Gymnocoronis spilanthoides Senegal tea temple plant costata Hedychium flavescens yellow ginger Hedychium gardnerianum Kahili ginger Heracleum mantegazzianum giant hogweed cartwheel flower wild parsnip, wild rhubarb Homalanthus populifolius Queensland poplar bleeding heart tree poplar leaved omalanthus Houttuynia cordata chameleon plant Hydrilla verticillata hydrilla Hydrocleys nymphoides water poppy Hypericum androsaemum tutsan sweet amber Ipomoea indica blue morning glory Iris pseudacorus yellow flag yellow flag iris Jasminum humile Italian jasmine Juglans ailantifolia Japanese walnut Kennedia rubicunda dusky coral pea coral pea running postman Lagarosiphon major lagarosiphon oxygen weed Lamium galeobdolon aluminium plant artillery plant Lantana camara lantana Ligustrum lucidum tree privet Lilium formosanum Formosa lily trumpet lily St. Joseph's lily, Taiwan lily Lonicera japonica Japanese honeysuckle Ludwigia peploides subsp. montevidensis primrose willow floating primrose willow water primrose Lythrum salicaria purple loosestrife Macfadyena unguis-cati cat's claw creeper cat's claw vine cat's claw ivy, yellow trumpet vine Maytenus boaria Chilean mayten mayten maiten Megathyrsus maximus var. pubiglumis Guinea grass green panic buffalo grass Menyanthes trifoliata bogbean Moraea flaccida Cape tulip Myoporum insulare and hybrids Tasmanian ngaio boobialla Myrica faya fire tree candle berry myrtle Myricaria germanica false tamarisk Myriophyllum aquaticum parrot's feather thread of life Brazilian water milfoil Nassella (all species) nassella Nephrolepis cordifolia tuber ladder fern tuber sword fern Nuphar lutea yellow water lily spatterdock cow lily, brandybottle Nymphaea mexicana Mexican water lily banana waterlily Nymphoides geminata marshwort entire marshwort Nymphoides peltata fringed water lily Ochna serrulata Mickey Mouse plant Osmunda regalis royal fern Passiflora apetala bat-wing passion flower Passiflora caerulea blue passion flower Passiflora tarminiana northern banana passionfruit Passiflora tripartita (all subspecies) banana passionfruit Phragmites australis phragmites Pilosella (all species) hawkweed Pinus contorta lodgepole pine contorta pine Pistia stratiotes water lettuce Pithecoctenium crucigerum monkey's comb monkey's hairbrush Pittosporum undulatum sweet pittosporum Victorian box Australian cheesewood Plectranthus ciliatus plectranthus blue spur flower Polygala myrtifolia (excluding cultivar 'Grandiflora') sweet pea shrub sweet pea bush myrtle leaf milkwort Polypodium vulgare polypody common polypody Potamogeton perfoliatus clasped pondweed Prunus serotina rum cherry Pyracantha angustifolia firethorn orange firethorn yellow firethorn Reynoutria japonica (syn. Fallopia japonica) (and hybrids) Asiatic knotweed Japanese knotweed Mexican bamboo Rhamnus alaternus rhamnus evergreen buckthorn Rhododendron ponticum wild rhododendron pontic rhododendron pontian rhododendron Sagittaria montevidensis arrowhead sagittaria Californian arrowhead Sagittaria platyphylla sagittaria delta arrowhead Sagittaria sagittifolia arrowhead Salix cinerea grey willow pussy willow grey sallow Salix × fragilis crack willow Salvinia molesta salvinia Kariba weed Schinus terebinthifolius Christmas berry Brazilian pepper tree Schoenoplectus californicus Californian bulrush Selaginella kraussiana African club moss selaginella Solanum marginatum white edged nightshade Solanum mauritianum woolly nightshade tobacco weed wild tobacco tree Syzygium smithii monkey apple Tradescantia fluminensis wandering Willie Tropaeolum speciosum Chilean flame creeper Tussilago farfara coltsfoot Typha latifolia great reedmace cumbungi common cattail Utricularia arenaria bladderwort Utricularia gibba bladderwort humped bladderwort Utricularia livida bladderwort Utricularia sandersonii bladderwort Vallisneria australis eelgrass Zantedeschia aethiopica green goddess Zizania latifoliaNIWA: Stopping the freshwater wild rice invader Manchurian wild rice Manchurian rice grass

See also Invasive species in New Zealand

References

External links National Pest Plant Accord, Ministry for Primary Industries