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  1. Mile-a-minute weed (Polygonum perfoliatum)

    https://pested.osu.edu/node/406

    of woods, wetlands, stream banks, roadsides and uncultivated open fields. Flower: Small, white and ... from light. It is a threat to forest regeneration and infests recreational and residential areas.   ...

  2. Cressleaf Groundsel (Senecio glabellus)

    https://pested.osu.edu/node/398

    Cycle: Winter annual Habitat: Wet woods, swamps, stream banks, pastures, roadsides, and fields. Flower: ...

  3. Kudzu (Pueraria montana)

    https://pested.osu.edu/node/404

    and folk art. Habitat: Occurs along right-of-ways, stream banks, around and in forests, and in ... harbor pests of crops and humans. It threatens our forest and waterways because of the dense extreme ...

  4. FIRST-TIME Fertilizer Certification Webinar- 3 HOUR

    https://pested.osu.edu/events/first-time-fertilizer-certification-webinar-3-hour

    Fertilizer Certification Webinar 2024 Agricultural Fertilizer FIRST-TIME Certification Webinar ... for individuals who are obtaining their Ohio Agricultural Fertilizer Applicator Certification for the ... first time (not recertification). Agricultural Fertilizer Certification is required for applications to ...

  5. Poison hemlock (Conium maculatum)

    https://pested.osu.edu/node/409

    railroad tracks, stream banks, irrigation ditches, waste areas, riparian woodlands and open floodplains of ... rivers and streams. Flower: Flowers are small, white, and borne in umbrella-shaped cluster about 3 inches ...

  6. Canada Thistle (Cirsum arvense)

    https://pested.osu.edu/node/397

    levels such as stream bank sedge meadows. It can also be found in clay to gravely soils. Flower: Lavender ... root system allows this weed to spread aggressively. Hand-pulling and cultivation are often ineffective ... competition for soil resources, and possibly through the release of chemical toxins poisonous to other plants. ...

  7. Japanese knotweed (Polygonum cuspidatum)

    https://pested.osu.edu/node/401

    roadsides, stream and river banks, wetlands, wet depressions and woodland edges. It can tolerate a wide array ... new colonies. Knotweed can contribute to both stream and bank erosion and flooding. Its rhizomes and ...

  8. Purple loosestrife (Lythrum salicaria)

    https://pested.osu.edu/node/410

    wetland types including freshwater wet meadows, tidal and non-tidal marshes, river and stream banks, pond ...

  9. Giant Hogweed (Heracleum mantegazzianum)

    https://pested.osu.edu/node/399

    Biennial Habitat: Along railroads, roadsides, rights-of-ways, vacant lots, streams, rivers, uncultivated or ... waste lands and agriculture areas. Flower: Small white floret Fruit: Large elliptic dry fruit Leaf: ...

  10. March 20, 2024- New Applicator Training- In Person

    https://pested.osu.edu/events/march-20-2024-new-applicator-training-person

    Department of Agriculture in Reynoldsburg Taught at:  Ohio Department of Agriculture Bromfield Administration ... the class,  you must apply for a license with the Ohio Department of Agriculture, which requires ... become licensed, you must apply for your license with the Ohio Department of Agriculture. The application ...

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