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Giant hogweeds have long green stems with small red or purple spots and a spray of white flowers on top. This is a public service announcement. Invasive Species - (Heracleum mantegazzianum) Prohibited in Michigan Giant Hogweed is a plant that has the potential to harm humans. Report a sighting of Giant hogweed on public land. Identification: Laura Assinck Ontario’s Invading Species Awareness Program, Leslie J Mehrhoff University of Connecticut Bugwood.org - giant hogweed stem. Giant hogweed (Heracleum mantegazzianum) Select Another Location: Total Locations: 11 Total Lakes and Rivers: 1 * Disclaimer ... Our inventories are not necessarily exhaustive so it is important to report occurrences. Giant Hogweed (Heracleum mantegazzianum) is a biennial plant in the carrot family (Apiaceae). Funding to support the detection, identification, or … Wild parsnip: This plant resembles the giant hogweed, but is smaller with mustardy-yellow flowers. Look-alikes: Many other plants, including cow parsnip, wild parsnip, angelica and Queen Anne’s lace are often misidentified as giant hogweed. "Within miles all the way around, there was a lot of hogweed," said Carl Brown. Our investigation found it to be a false alarm. Hello, There is giant Hogweed in delta township at hunters orchard park. (WWJ/AP) – Health officials in Calhoun County are advising caution after the dangerous giant hogweed plant was spotted in the county. Plants sprout in early spring from seed or tuberous root- stocks. If you think you may have touched it, wash the affected area with soap and water and stay out of the sun for 48 hours. While that might seem far away, the dangerous weed is also in the US. Giant Hogweed; With a report of the dangerous giant hogweed growing in a mid … Giant hogweed plant. It’s in three counties: Ingham County (Lansing), Gogebic County (borders Wisconsin in the upper peninsula) and Berrien County (southwest lower Michigan – St. Joseph). It is native to Eastern Europe, but escaped cultivation and has now naturalized in areas with rich moist soils (vacant lots, uncultivated or waste areas, riverbanks, along roadways, and in agricultural lands). We are talking about giant hogweeds. CBS further reports that giant hogweed is a member of the carrot family, and is considered a noxious weed by the federal government. Giant hogweed reaches up to 8-20’ when in flower and has hollow, ridged stems covered in coarse white hairs and reddish-purple mottling. It sounds like a mythical plant, but its real and it's dangerous. The Washtenaw County Parks and Recreation Commission has received several reports of giant hogweed in local parks, but the plants have been identified as look-a-like plants. If you think you may have come in contact with giant hogweed sap, wash the exposed area immediately, keep the exposed area out of the sunlight and seek medical care. Links to check out, especially if you live in an area where giant hogweed is present; it’s good to see the various photos of the plant: CBC: 5 things you need to know about toxic hogweed (has a video report and includes what to do if you do get sap on your skin); MIPN info sheet on giant hogweed; This USDA Forest Service webpage has a TON of information on giant hogweed. The skin becomes sensitive to sunlight and may blister when exposed. The plant grows 7-14 feet tall and has white flowers in an umbrella-shaped cluster up to 2.5 feet across. Stay away from it," said Fryday. With recent media attention, folks are on the lookout for the plant, but are not likely to find it. Giant hogweed, or Heracleum mantegazzianum is considered a noxious weed by the federal government. The best time to identify giant hogweed is dur- ing flowering. “This is not a weed-on-the-move,” stated one MDARD official. "You'll get a really bad rash, it can be permanent. 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