Ventenata dubia is a nonnative, invasive, annual grass that has rapidly expanded in perennial grass systems, in disturbed areas and managed areas in the past two decades throughout the Pacific Northwest.

Ventenata is a winter annual that germinates in the fall when temperatures are moderate to high (18o - 28o C, or 64° - 82° F) (Northam & Callihan, 1986). Seed heads are produced May through June, about one month following annual Bromus species.

2023年6月27日 · Ventenata is an invasive annual grass that's an emerging threat to South Dakota rangelands due to its ability to exclude desired native species. Learn how to identify, report, and manage it before it becomes a problem in your area.

Ventenata is the most recent noxious invade Montana—this time from Washington, and Wyoming (unlike invasives, which arrive from Eastern states). Also known as wiregrass, spindly winter annual with scrawny stems grows 6 to 18 inches tall and.

Ventenata is a genus of plants in the grass family, native to Europe, North Africa, and central + southwest Asia. [ 3 ] [ 4 ] One species, Ventenata dubia , is considered an invasive weed in many places.

Ventenata (2A, common in isolated areas of Montana) (Ventenata dubia) Quick ID. Open, airy, pyramid-shaped panicle with flower and seed-bearing stems coming off of the main stem at almost 90 degree angles; Dark red or black nodes, evident at all stages of growth; Long, membranous ligule with tattered tip; Bent and twisted awns

Species name: Ventenata dubia (Leers) Coss. Family: Poaceae History and status: Ventenata originates from eastern Europe and was first found in North America in the early 1950s in Washington and Idaho. Ventenata was first documented in Montana in the mid-1990s. Though ventenata is not listed on Montana’s noxious weed list,

2024年7月9日 · Ventenata (Ventenata dubia) is one such grass. First reported in North America in 1952 in Washington state, it is now expanding into previously invasion- resistant forest landscapes. Unlike cheatgrass, another invasive grass, ventenata can grow in sparsely vegetated rocky meadows.

Ventenata is an introduced tufted annual grass, with slim, erect culms extending 6-27 inches tall. Although the stem appears smooth, tiny hairs are visible when magnified. The leaf blades are flat but become in-rolled; they are usually smooth on the upper surfaces but rough underneath.

Ventenata dubia is a species of grass known by the common names North Africa grass and wiregrass. It is native to southern Europe, North Africa and the Middle East. It is becoming well known in North America, where it is an introduced species and a noxious weed of cultivated and disturbed habitat.