Local & NZ Weeds and Garden Escapee Plants
Thanks to Valda Polletti and Dave Clarkson of Te Kainga Marire for their help in identifying some of the problem plants in the area.
Thanks to Glyn Church of New Plymouth for identifying some of these plants.
Bibliography
The Guide to New Zealand's Common Weeds NZ Weed and Pest Control Society
An illustrated Guide to Common Weeds of New Zealand by NZ Plant Protection Society
New Zealand Wild Flowers Handbook by Bishops
Wild Flowers of New Zealand by Owen Bishop
Wild Flowers in New Zealabd by Nancy Adams
Introduced Wildflowers New Zealand Weeds by Gordon Ell
New Zealand in Flower Alison Evans,
Weeds of Roadsides andWaste ground in NZ R.L Taylor
Web sites
http://www.dowagro.com
New Zealand National Pest Plant Accord
ttp://en.wikipedia.org
Global Invasive Species
Weed species on the National Pest Plant Accord (NPPA) key
www. landcareresearch. co. nz/research/biosystematics/plants/nppakey/
The above key is developed by staff at Landcare Research. The interactive key allows the user to select information about the specimen in hand in any order. As the user enters more information about the specimen the list of possible species narrows.
12 Inkweed (Phytolacca octandra)
13 Pink knotweed (Persicaria capitata)
20 Shepherds purse, Capsella bursa-pastoris
21Cleaver (Galium aparine)
36 Oxalis yellow (Oxalis pes-caprae)
37 Lilac Oxalis (Oxalis incarnata)
38 Oxalis (Yellow Woodsorrel) Oxalis stricta
39 Nasturtium
48 Ragwort (Senecio Jacobaea)
49 Wandering Jew (Tradescantia fluminensis)
51 Blackberry (Rubus fruticosus)
52 Climbing Dock (Rumex sagittatus)
53 Pampus Grass(Cortaderia jubata ,Cortaderia selloana)
54 Kahili Ginger
55 Thornapple (Datura stramonium)
56 Blue spur flower (Plectranthus ciliatus)
57 Onion-weed (Allium triquetrum)
59 Boxthorn (Lycium ferocissimum)
60 Fennel (Foeniculum vulgare)
61 Buttercup (Creeping ) Ranunculus repens
63 Narrow-leaf birdsfoot trefoil (Lotus glaber) 
64 "Periwinkle (Vinca major
65 "Cape Gooseberry (Physalis peruviana
66 Himalayan honeysuckle
68 Giant bindweed Calystegia silvatica)
69 Pink bindweed (Calystegia sepium)
70 Hawksbeard (Smooth) Crepis capillaries
71 Catsear (Hypochaeris radicata)
72 Bristly-ox-tongue (Picris echioides)
73 Corn marigold (Glebionis segetum)
74 Dandelion (Taraxacum officinale)
80 Small-flower (Mallow (Malva parviflora)
81 Calla Lily
82 Sow Thistle
83 Prickly Sow Thistle, Sonchus asper
84 Nodding Thistle
85 Scotch Thistle (Cirstium vulgare)
86 Milk thistle (Silybum marianum)
90 Buddleia (Orange eye) Buddleja davidii
91 Barberry (Berberis darwinii)
92 Canadian Fleabane (Conyza canadensis)
93 Privet (Ligustrum lucidum)
94 Nightshade (Woolly) Solanum mauritianum
95 Nightshade (Velvety) Solanum chenopodioides
96 Italian arum (Arum italicum)
97 Jasmine
98 Selfheal
99 Bear's Breeches
100 Willow weed
101 Broad leaved plantain
102 Narrow leaf plantain
103 Wild Turnip
104 Yarrow
105 Hedge Woundwort (Stachys sylvatica)
106 Privet
107 Vipers bugloss (Echium vulgare)
108 Sedge (Umbrella)
109 Scarlet Pimernel
110 Plectranthus
111 Forget-Me-Not
112 Woolly Mullein (Verbascum thapsus)
113 Moth mullein (Verbascum virgatum)
114 Spur Valerian (Centranthus ruber)
115 Scrambling speedwell (Persica veronica)
116 Common evening primrose ( Oenothera biennis, )
117 Evening Primrose (Oenothera glazioviana)
118 Hemlock (Conium maculatum)
119 Tutsan (Hypericum androsaemum)
121 Stinging nettle (Urtica urens)
122 Indian strawberry (Potentilla indica)
123 Wild parsnip (Pastinaca sativa)
124 Wild Carrot (Daucus carota)
125 Wild Radish (Raphanus raphanistrum subsp. raphanistrum)
126 Broomrape ( Orobanche minor)
127 Nightshade (Velvety) Solanum chenopodioides
128 Apple of Peru (Nicanda physalodes)
129 Redroot (Amaranthus spp)
130 Californian stinkweed (Navarretia squarrosa)
131 Black bindweed (Fallopia convolvulus)
132 Lantana (Lantana camara)
134 Centaury (Centaurium erythraea)
135 Water speedwell (Veronica anagallis-aquatic)
136 Storkbill (Erodium cicutarium)
137 Purple-eyed gras (Sisyrinchium iridifolium)
138 Moth plant (Araujia sericifera)
139 Marsh thistle (Cirsium palustre)
140 Spanish heath (Erica lusitanica)
141 St Johns wort (Hypericum perforatum)
142 Hydrocotyl
143 Duckweed (Lemna minor)
144 Pennyroyal (Mentha pulegium)
145 Montbretta
146 Matagouri (Discaria toumatou)
147 Poroporo (Solanum aviculare)
148 Asparagus fern (Asparagus scandens)
149 Bittercress (Cardamine hirsuta)
150 Milkweed (Euphorbia peplus)
151 Pinus contorta (Lodgepole pine)
152 Black Eye Susan Vine (Thunbergia alata)
153 Prostrate amaranth (Amaranthus deflexus)
154 Elephant Ear (Alocasia brisbanensis)
157 Borage (White) Borago officinalis
158 Onion weed ( Allium triquetrum)
159 Bidibid (Acaena novae-zelandiae)
161 Chickweed (Stellaria media)
162 Euphorbia Kea (Euphorbia characias)
163 Sweet briar (Rosa rubiginosa)
164 Tauhinu (Cassinia leptophylla)
165 Cineraria (Genus Pericallis)
166 Spurrey weed (Spergula arvensis)
169 Water hyacinth (Eichhornia crassipes)
170 Dovesfoot Cranesbill (Geranium molle)
171 Ice Plant ( Carpobrotus spp)
172 Ragwort (Pink) Senecio glastifolius
173 Cotoneaster (Parney Cotoneaster) Cotoneaster lacteus
174 Toadflax (purple) Linaria purpurea
175 Gravel groundsel (Senecio skirrhodion)
176 Primrose (Common evening) Oenothera biennis
177 Broom (Common) Cytisus scoparius
178 Scrambling Fumitory
179 Snapdragon (Cymbalaria muralis)
180 Flax (Purging flax) Linum catharticum
181 Flax (Pale flax) Linum bienne
182 Aluminium plant (Lamiastrum galeobdolon)
183 Kiwifruit (Actinidia deliciosa)
184 Willow herb (Epilobium ciliatum)
185 Wavy-leaved fleabane (Conyza bonariensis)
186 Treasure flower (Gazania linearis)
187 Green amaranth (Amaranthus lividus)
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