The species is restricted in Michigan, with an exemption for sterile cultivars (MI NREPA 451, Section 324.41301). Ontario Invasive Plant Council In conservation: Removing invasive species …case study is the purple loosestrife (Lythrum salicaria), a plant that has overrun thousands of square kilometres of North American wetlands, replacing the naturally diverse vegetation of grasses, sedges, and other wetland plants.It is native to Europe and was introduced into North America in the early 1800s. Purple loosestrife: This plant is listed as a noxious weed in many provinces, but is still sometimes sold as an ornamental plant. In the wild, purple loosestrife, also commonly known as lythrum, invades habitat along rivers, streams, lakes, ditches and wetlands. See. In the early 1800’s, seeds of purple loosestrife found their way to North America. The plant was also spread by early settlers and is still used in flower gardens and occasionally sold in nurseries today. Purple loosestrife (Lythrum salicaria) is a woody half-shrub, wetland perennial that has the ability to out-compete most native species in BC’s wetland ecosystems.Dense stands of purple loosestrife threaten plant and animal diversity. Small areas can be dug by hand. One horizontal underground stem, known as a rhizome, can produce 30 to 50 erect stems. Books: Newcomb's Wildflower Guide: 351 Peterson's Field Guide to Wildflowers: 224, 288 ROM Field Guide to Wildflowers of Ontario: 304 Native/Non-native: Non-native Notes: Purple Loosestrife is the infamous invasive alien plant that is taking over some of our wetlands. Purple loosestrife was first introduced to the Atlantic coast of North America. If you find purple loosestrife or other invasive species in the wild, please contact the Invading Species Hotline at 1-800-563-7711, or visit. Allowed to flourish, it will quickly fill in a wet area. You can get rid of purple loosestrife through chemical, mechanical, or biological methods. The stems are woody and square, and each one can form a plant up to 2.4 metres high and 1.5 metres wide. Garlic Mustard. When hiking, prevent the spread of invasive plants by staying on trails and keeping pets on a leash. It causes massive alteration in ecology because of its growth. To dispose of purple loosestrife, put the plants in plastic bags, seal them, and put the bags in the garbage. The following five species of beetles were selected for purple loosestrife to be introduced without fear of negative impacts to native North American plants. The purple loosestrife primarily threatens, wetlands and riparian habitats. Mobile Friendly Web Design Whatever Media, Purple Loosestrife Best Management Practices, Upcoming Event: Ontario Phragmites Working Group Annual Meeting, Upcoming Event: 2021 Ontario Invasive Plant Conference and Annual General Meeting. Where it's found: B.C., Ontario, Quebec. 7. Purple Loosestrife Purple loosestrife is an erect perennial herb standing 3 to 10 feet tall. For more information on Purple Loosestrife, download our Best Management Practices and Technical Document using the link below: We are a multi-sector, non-profit group committed to the collaboration of organizations and Includes habitat, identifying features and what you can do to reduce its impact. This highly invasive plant was likely introduced when its seeds were included in soil used as ballast in European sailing ships and discarded in North America. This highly invasive plant was likely introduced when its seeds were included in soil used as ballast in European sailing ships and discarded in North America. Why don't libraries smell like bookstores? This highly invasive plant was likely introduced when its seeds were included in soil used as ballast … Purple loosestrife (Lythrum salicaria L.) is an invasive, emergent, perennial plant, native to Europe and Asia. 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