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Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help

Displaying 3961 to 3980 of 6024

Ohio Perennial & Biennial Weed Guide - Common St. Johnswort
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Common Teasel
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Garlic Mustard
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Japanese Honeysuckle
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Japanese Knotweed
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Johnsongrass
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Multiflora Rose
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Purple Loosestrife
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Quackgrass
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Spotted Knapweed
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Tree-of-Heaven
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio Perennial & Biennial Weed Guide - Yellow Toadflax
- Ohio State University. Ohio Agricultural Research and Development Center.
Ohio State Ask an Expert
- Ohio State University.
- Ask an Expert is an online system for asking questions and receiving expert answers quickly on a broad range of subjects. We are pleased to provide university research-based information to help improve the quality of your life, family, garden, business or community! You may submit a question here to be answered by members of our Ohio State University Extension faculty/staff or our Master Gardener Volunteers.
Ohio, Indiana, and Illinois Weed Control Guide
- 2017
- Ohio State University Extension; Purdue University Extension; University of Illinois Extension.
- The Weed Control Guide, a joint publication from the Cooperative Extension Services in Ohio, Indiana, and Illinois, explains the importance of weed control and gives suggestions on herbicide management strategies for corn, popcorn, sweet corn, soybeans, small grains, and forages.
Ohioline - Oak Wilt
- Feb 2019
- Ohio State University. Extension.
Ohioline - Soybean Rust
- Ohio State University. Extension.
OISC Priority Target Species - Coconut Rhinoceros Beetle
- Oahu Invasive Species Committee.
OK Invasives
- Oklahoma Invasive Plant Council.
Oklahoma Tree Insects and Disease Issues
- Oklahoma Department of Agriculture, Food, and Forestry. Oklahoma Forestry Services.
Oklahoma's Invasive Plant Watch List
- Oklahoma Invasive Plant Council.
- The Oklahoma Invasive Plant Council has developed a list of invasive plants by region. These plants have invasive qualities and are present in the region or neighboring regions. These are species that are not abundant yet in the area, but should be monitiored, reported and controlled before they become a bigger problem in the state.

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