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- African feather grass (Cenchrus caudatus)
- arrowhead (Sagittaria montevidensis)
- Asiatic knotweed (Reynoutria japonica)
- cathedral bells (Cobaea scandens)
- Chilean flame creeper (Tropaeolum speciosum)
- evergreen buckthorn (Rhamnus alaternus)
- giant knotweed (Reynoutria sachalinensis)
- horse nettle (Solanum carolinense)
- Mexican feather grass (Nassella tenuissima)
- mile-a-minute (Dipogon lignosus)
- nassella tussock (Nassella trichotoma)
- Noogoora bur (Xanthium strumarium)
- purple loosestrife (Lythrum salicaria)
- rhododendron (Rhododendron ponticum subsp. ponticum)
- rough horsetail (Equisetum hyemale)
- Senegal tea (Gymnocoronis spilanthoides)
- spartina (Sporobolus alterniflorus)
- spartina (Sporobolus anglicus)
- variegated thistle (Silybum marianum)
- water poppy (Hydrocleys nymphoides)