National Pest Plant Accord

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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.[1]

List of species[edit]

The National Pest Plant Accord is periodically updated, which was last done in 2012:[2]

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[3] 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[3] 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[3] orange cestrum
Cestrum elegans[3] red cestrum
Cestrum fasciculatum[3] red cestrum early jessamine
Cestrum nocturnum[3] 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[3] 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[3] Japanese walnut
Kennedia rubicunda[3] 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[3] 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[3] 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[3] 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[3] 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' green goddess
Zizania latifolia[4] Manchurian wild rice Manchurian rice grass

See also[edit]


  1. ^ Howell, Clayson (May 2008). Consolidated list of environmental weeds in New Zealand (PDF). DRDS292. Wellington: Department of Conservation. ISBN 978-0-478-14413-0. Archived from the original (PDF) on 30 May 2009. Retrieved 6 May 2009.
  2. ^ "NPPA Plant Listing". MPI Biosecurity New Zealand. Retrieved 15 February 2013.
  3. ^ a b c d e f g h i j k l m "Banned: Thirteen 'invasive' plants (+photos)". Retrieved 3 March 2012.
  4. ^ NIWA: Stopping the freshwater wild rice invader

External links[edit]