Two New Invasive Grasses Reported in Sheridan County

Two new invasive grasses have appeared in Sheridan County.

Carrie Rogaczewski, who's the Sheridan County Conservation District manager, talked about the new invaders during her meeting with county commissioners Tuesday morning. According to a flyer she handed out, the grasses are medusahead and ventenata, also know as North African wiregrass.

Rogaczewski said she was among those who attended a work group last month hosted by the University of Wyoming Extension Service and county weed and pest.

According to the flyer, medusahead and ventenata can exclude desirable native species of grasses from rangeland and pastures and reduce livestock forage by up to 70 percent. The grasses can also increase wildfire frequency and intensity, and their awns, which are hair-like or bristle-like growths, can lead to physical injury of grazing animals.

Also according to the flyer, informational meetings will be held this spring. The grasses reportedly can be managed much like cheatgrass.

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