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Canada Thistle (Cirsum arvense)
https://pested.osu.edu/node/397
prevents the coexistence of other plant species through shading, competition for soil resources, and ...
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Jefferson McCutcheon
https://ansci.osu.edu/our-people/jefferson-mccutcheon
Jefferson McCutcheon Courtesy Faculty Associate Professor- Director of Operations, OSU Extension ...
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Gustavo Schuenemann
https://ansci.osu.edu/our-people/gustavo-schuenemann
Gustavo Schuenemann Courtesy Faculty Professor- Extension Veterinarian- Dairy- Department of ...
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Hedge bindweed (Castyegia sepium)
https://pested.osu.edu/node/415
seeds. Each seed is grey to black with 2 flattened sides. Root: Extensive, shallow rhizomes The problem ...
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Field bindweed (Convolvulus arvensis)
https://pested.osu.edu/node/414
Fruit: Egg-shaped to round capsule with 4 seeds Root: Extensive and deep rhizomes The problem is…twines ...
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Russian knapweed (Rhaponticum repens)
https://pested.osu.edu/node/419
in diameter. Fruit: Gray or yellow smooth seeds. Root: Deep and extensive rhizomes, can be ...
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Palmer amaranth (Amaranthys palmeri)
https://pested.osu.edu/node/408
A plant can produce up to one million seeds. Root: Taproot with an extensive fiberous root system. The ...
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Giant Hogweed (Heracleum mantegazzianum)
https://pested.osu.edu/node/399
length Root: Extensive taproot. The problem is….an aggressive competitor. It outcompetes native plant ...
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Russian thistle (Salsola Kali var. tenuifolia)
https://pested.osu.edu/node/411
Taproot with extensive lateral roots. The problem is….plants break off and disperse seed over long ...
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Japanese knotweed (Polygonum cuspidatum)
https://pested.osu.edu/node/401
herbaceous plant that can grow up to 10' high. The plant is aggressive and produces extensive rhizomes ...