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 Date: 2011-05-31 17:44:56Biology Agapeta zoegana Tortricidae Agroecology Centaurea Noxious weed C. iberica Allelopathy Bangasternus fausti Curculionidae Invasive plant species Agriculture |
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Microsoft Word - Species_bios_CEBI_ed.doc | New Invasive Plants of the Midwest Fact Sheet SPOTTED KNAPWEED Centaurea biebersteinii Description: Spotted knapweed is a short-lived perennial herb. First year plants form low-growing rosettes. It has flowering,DocID: 1pHQH - View Document |
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| Russian Knapweed Centaurea repens L. Identification: This perennial plant can grow up to 3 feet tall, erect, often in dense patches of upright single stems from widely spreading black roots which may go 8’ deep or moreDocID: HQKR - View Document |