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  1. Apple of Peru (Nicandra phyhsalodes)

    https://pested.osu.edu/node/396

    Stem: Branching Flower: Pale violet bell-shaped flower, 1–1½" across when fully open. Fruit: ...

  2. Palmer amaranth (Amaranthys palmeri)

    https://pested.osu.edu/node/408

    roadsides. Leaf: Alternate without hairs, and lance-shaped or eggshaped in outline. Leaves occur on ...

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

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

    leaves with rough leaf margins, triangular to heart-shaped. A leaf-like sheath encircles the base of the ...

  4. Purple loosestrife (Lythrum salicaria)

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

    heart-shaped or rounded at the base. Stem: 4 to 6 sided woody stem. Hairless or short-upward pointing hairs. ...

  5. Poison hemlock (Conium maculatum)

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

    purple spotted. Flower: Flowers are small, white, and borne in umbrella-shaped cluster about 3" ...

  6. Musk thistle (Carduus nutans)

    https://pested.osu.edu/node/407

    Multi branched spiny stems 1.5'-6' tall. Flower: Large disk-shaped showy red-purple flower ...

  7. April 10, 2024- New Applicator Training- Webinar

    https://pested.osu.edu/events/april-10-2024-new-applicator-training-webinar

    water courses, utility rights-of-way, or in close proximity to industrial sites, power stations, parking ... apply for your license before taking this course.   You must pass the core test and at least one ...

  8. Kochia (Bassia scoparia)

    https://pested.osu.edu/node/403

    fine-textured foliage, 1'-5' in height. Plants are blue-green to gray-green but take on a reddish or ...

  9. Alumni Story: Dr. Ashley Blilie

    https://ansci.osu.edu/news/alumni-story-dr-ashley-blilie

    often. “It’s on our list to take our son to his first Ohio State football game, so we’ll be back soon. ...

  10. May 15, 2024- New Applicator Training- In Person

    https://pested.osu.edu/events/may-15-2024-new-applicator-training-person

    stations, parking lots or similar areas for the control or eradication of unwanted vegetation.  NOTE: this ... license, you will receive study materials. It can take 4-6 weeks to receive your study materials. We ... recommend that you apply for your license before taking this course. A representative from the ODA will be ...

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