Garden Loosestrife, Lysimachia vulgaris

Our colleagues in King County, WA have written a great profile of Garden Loosestrife, Lysimachia vulgaris, which is a recent introduction to the Pacific Northwest. This aquatic plant has been spreading rapidly in parts of Washington, aided by its striking red rhizomes that can grow up to 10 feet long. Garden loosestrife can clog waterways and reduces habitat for native species including salmon.

Oregon had a report of Garden Loosestrife last year via the Oregon Invasive Species Hotline on the Willamette River north of Salem. With the help of this early detection, the Oregon Department of Agriculture was able to eradicate this patch. But it's likely that there are other patches present. King County's article stresses that Garden Loosestrife is a tough plant to eradicate, so early detection ...more ↓

Posted on July 31, 2017 06:31 PM by wisel wisel | 2 comments | Leave a comment
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Oregon iMapInvasives provides an on-line, GIS-based data management system to assist citizen scientists and natural resource managers working to protect natural resources from the threat of invasive species. We collate data from a variety of agencies and non-profits to build a statewide picture of invasive species locations and management actions.

Drawing from the iNaturalist community ...more ↓

Mini wisel created this project on October 22, 2015

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