Invasive Species: How You Can Help

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• Invasive Species How You Can Help

Presented By Sue Tangora Date 06/06/09
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• States Role
• Other high threat invasives
• Success
• Next steps

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States Role

• Natural resources, environment and agriculture
• Invasive Species Legislation
• Prohibited and restricted species
• DNR Wildlife Division Strategy on Invasive Plants

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Other High Threat Invasive Species

• Garlic mustard
• Common and glossy buckthorn
• Swallow-wort
• Japanese knotweed
• Leafy spurge

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• Alternate, triangular,
• toothed leaves

2) Small, white, four-parted flowers and n
arrow sickle-shaped seed pods
3) Rosettes of rounded, toothed,
basal leaves smell like garlic
garlic mustard Alliaria petiolata
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Glossy buckthorn Rhamnus frangula
often invades open wetlands
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Glossy BuckthornRhamnus frangula
1) Entire oval, alternate leaves
2) Small berries turning from red to black
3) Bark with white lenticles
Photo by John M. Randall, The Nature Conservancy
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Common buckthorn Rhamnus cathartica
1) Tall shrub with finely serrated
leaves arching veins
3) Prolific bluish-black fruits
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Swallow-wortVincetoxicum/Cynanchum
1) Twining herbaceous vine
2) Opposite, entire, elongated leaves
3) Dark purple flowers and narrow green seed pods
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Swallow-wort infestation
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Japanese knotweedPolygonum cuspidatum
1) Broad cuspidate leaves
2) Clusters of tiny white flowers
3) Hollow stems in clonal clusters
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What next..

• Contact county coordinators
• Share information
• Elected officials
• Let us know what works, what doesnt

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Thank you
Great Lakes, Great Times, Great Outdoors
www.michigan.gov