Types of Invasive Plants
Aquatic Plants | Climbing and Creeping Herbs and Vines | Grasses (including Sedges and Rushes) | Herbs | Shrubs | Succulents
Categorising types of Invasive Plants
Aquatic Plants
Photo reproduced courtesy of Forest & Kim Starr (USGS).
Climbing and Creeping Herbs and Vines
Grasses (including Sedges and Rushes)
Annual
Perennial
Herbs
Annual
- Paterson’s curse
- Praxelis
- Saffron thistle
- Slender/Shore thistle
- Soldier thistle
- Spotted thistle
- St Barnaby’s thistle
- Stemless thistle
- Stinkwort
- Thorn apples Datura spp (common, downy, recurved)
- Viper’s bugloss
- Wards weed
- White arum lily
- Wild mignonette
- Thistle
- Twiggy mullein
- Variegated thistle
- Wild teasel
Biennial
Perennial
- African thistle
- Artichoke thistle
- Agapanthus
- Black knapweed
- Branched scouringrush
- Burr ragweed
- Californian/Perennial thistle
- Cretan foil
- False capers
- Finger leaf oxalis
- Galenia
- Garden geranium
- Gazania (linearis)
- Gazania (rigens)
- Giant hogweed
- Hairy thornapple
- Hardheads
- Hawkweed
- Hoary cress
- Holly leaved senecio
- Horehound
- Horsetail
- Italian lily
- Ivy-leafed sida
- Japanese knotweed
- Japanese knotweed hybrid
- Khaki weed
- Lacy ragweed
- Lippia
- Montbretia
- Onion weed
- Ox-eye daisy
- Pampas lily-of-the-valley
- Perennial ragweed
- Poverty weed
- Prairie ground cherry
- Ragwort
- Sand rocket (sand mustard)
- Sea spurge
- Siam weed, chromolaena
- Silverleaf nightshade
- Skeleton weed
- Soursob
- South african weed orchid
- Spotted knapweed
- Spiny emex
- St John’s wort
- St Peter’s wort
- Star thistle
- Tangled hypericum
- Taurian thistle
- Topped lavender
- White arum lily
Perennial (with bulbs or corms)
Shrubs
- African boxthorn
- Apple of sodom
- Baleria, porcupine flower
- Berry flower heath
- Blackberry
- Boneseed/Bitou bush
- Blue psoralea
- Broadleaf privet
- Camel thorn
- Canary island St John's wort
- Cape broom / Montpellier broom (genista)
- Chilean (green) cestrum
- Cherry laurel
- Large-leaf cotoneaster (cotoneaster)
- English broom
- European privet
- False yellowhead
- Flax-leaved broom
- Flinders range wattle
- Florida blackberry
- Giant ramble
- Gorse / furze
- Hawthorn
- Heather
- Himalayan honeysuckle
- Holly
- Italian buckthorn
- Japanese privet
- Karamu
- Keriberry
- Lantana
- Large flowered st john's wort
- Madeira winter cherry
- Mirror bush (coprosma)
- Myrtle-leaf milkwort (polygala)
- Olive
- Oxylobium
- Parkinsonia
- Portugal laurel
- Red cestrum
- Small-leaf privet
- Spanish broom
- Spanish heath
- Spiny broom
- Sweet briar
- Tagasaste (tree lucerne)
- Trailing st john's wort
- Tree tobacco
- Tufted honeyflower
- Tutsan
- Velvet cotoneaster
- White spanish broom
- White weeping broom
- Winged sea lavender
Succulents
- Abrojo (chain link cactus)
- Aloe (Aloe saponaria)
- Century plant
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