News – Sheridan Media
Johnson County’s Commissioners were given an update from the Weed & Pest District on a new area of Ventenata, an invasive grass that was found in the southern part of the county.
According to discussion, the invasive grass was found on private land near Highway 387, and Weed & Pest is expecting to find more once they begin looking for it.
The Wyoming Game & Fish Department reports that Ventenata, also known as wiregrass or North Africa grass, is an annual grass that is a cool season annual that is native to the Mediterranean.
It was first found in North America in 1952. Since then, it has been reported in 10 states, mostly in northwestern and northeastern portions of the country.
It is a fierce competitor with native grasses, reducing native rangeland forage production by 50% within a few years.
Ventenata is highly unpalatable to livestock and wildlife.
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Last modified: October 14, 2025