The following plants are listed on the NPS Least Wanted Alien Plant Invaders list, recommended by the Anacostia Watershed Society. These have been found in the ACBA bioswale area.
“Invasive” describes a species that, when introduced into an ecosystem aggressively establishes itself at the expense of native plants or animals.
| Very undesirable - eradicate where possible |
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Purple Loosestrife [ Lythrum salicaria ]
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Porcelainberry [ Ampelopsis brevipedumculata ]
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Common Reed [ Phragmites australis ]
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Very undesirable - eradicate where possible
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Yellow Flag Iris [ Iris pseudacorus ]
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Black Locust tree [ Robinia pseudoacacia ]
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Mugwort [ Artemisia vulgaris ]
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Undesirable - keep under control (cont)
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Sweet Autumn Clematis [ Clematis terniflora ]
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Indigobush [ Amorpha fructicosa ]
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Narrow leafed Vetch [Vicia sativa ]
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Undesirable - keep under control (cont)
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Clover [ Trifolium sp ]
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Prairie Bundle Flower [ Desmanthus illinoensis ]
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Mulberry tree [ Morus sp ]
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Undesirable - keep under control (cont)
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Sweet Clover [ Melilotus sp ]
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Sericea [ Lespedeza cuneata ]
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Bedstraw [Galium sp] (feels sticky)
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ACBA Freshwater Mussel Project
Identifying Our Bioswale Plants
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