Plant Species
The National Pest Plant Accord, 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. The Department of Conservation also lists 328 vascular plant species as environmental weeds.
Some of the better-known invasive plant species are:
- Acacia species (mostly Australian) especially wattle
- Acanthus - Bears Britches
- Arundo donax - Giant Reed (or Elephant Grass)
- Banana passionfruit
- Darwin's Barberry
- Blackberry
- Boneseed
- Broom
- Californian thistle
- Cape Tulip
- Asparagus scandens - Climbing Asparagus
- Didymosphenia geminata ("didymo" or "rock snot")
- Japanese Honeysuckle
- Jasminum polyanthum - Jasmine
- Gorse
- Heather
- Kahili Ginger
- Lagarosiphon major (oxygen weed)
- Lodgepole Pine
- Loquat
- Lupin
- Mexican daisy
- Ageratina adenophora - Mexican devil
- Mistflower
- Morning glory - convolvulous
- Moth plant
- Egeria (oxygen weed)
- Old man's beard
- Pampas grass
- Privet - Tree Privet and Chinese Privet
- Purple loosestrife
- Queen of the Night
- Ragwort
- Rhamnus alaternus
- Rhododendron ponticum
- Schinus terebinthifolius - Christmasberry
- Scotch thistle
- Wandering Jew
- Willow - Crack willow and Gray Willow
- Yellow flag
The city of Auckland has been declared to be the weediest city in the world.
Read more about this topic: Invasive Species In New Zealand
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