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  • The berries of a bush honeysuckle make a tempting meal for birds
    Slide #1
  • Variegated Bishop’s goutweed is grown as an ornamental
    Slide #2
  • Flowering policeman's helmet, a native to the Himalayas
    Slide #3
  • The dried siliques of garlic mustard
    Slide #4
  • Oriental bittersweet before the berries turn orange
    Slide #5
  • Japanese knotweed's root system has been known to damage concrete foundations and roads
    Slide #6

Upcoming Events

Sept16

IPAW Board Meeting 3:00-5:00 pm at the DNR Office, 101 S Webster St, GEF II, Room 628, Madison, Wisconsin


Sept17

Where Ecology Meets Economy 8:00 am-3:30 pm at Johnson's Nursery, Monomenee Falls, Wisconsin More


Oct20

The Upper Midwest Invasive Species Conference begins (runs Oct 20-22) in Duluth, Minnesota More



Other Invasive-Related Events

Newsletter

Welcome to Our Website

IPAW logo"Slowly, but persistently, making their way across the land, ecologically invasive plants are the silent invaders of our time" quoted from Elizabeth J. Czarapata's book Invasive Plants of the Upper Midwest. Most of us don't even know they exist. We have the illusion of lush, green landscapes, when in fact, much of what we see are invasive plant species. In reality, invasive species have contributed directly to the decline of 49% of threatened or endangered species in the United States. The annual cost to the United States economy is estimated at $138 billion a year, with over 100 million acres suffering from invasive plant infestations. Because there is a need for a greater understanding, it is IPAW's mission "to promote better stewardship of the Natural Resources of Wisconsin by advancing the understanding of invasive plants and encouraging the control of their spread."

We invite you to take a look at our website, and we hope to persuade you about the importance of controlling invasive plant species in Wisconsin... or wherever you may live.


New Threats to Wisconsin

Japanese stilt grass
Japanese stilt grass

It's almost here! Japanese stilt grass is currently found in Illinois, less than 15 miles from the Wisconsin border.

more
Porcelain berry
Porcelain berry

A climbing vine in the grape family, first introduced as an ornamental landscape plant from temperate Asia.

more
Japanese hedge parsley
Japanese hedgeparsley

A member of the carrot family, this species is rapidly spreading and has the potential to invade to most regions of the state.

more

Our Mission

"To promote better stewardship of the natural resources of Wisconsin by advancing the understanding of invasive plants and encouraging the control of their spread."

Contact Us

PO Box 5274
Madison, WI 53705-0274
info@ipaw.org
Contact IPAW
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