Elymus repens, commonly known as couch grass, is a very common perennial species of grass native to most of Europe, Asia, the Arctic, and northwest Africa. It has been brought into other mild northern climates for forage or erosion control, but is often considered a weed.

Elymus is a genus of perennial plants with approximately 150 species [5] in the grass family, related to rye, wheat, and other widely grown cereal grains. [6] Elymus is a cosmopolitan genus, represented by species across all continents of the world. [7] . Common names include couch grass, wildrye and wheatgrass. [8][9][10][11]

Quackgrass (Elytrigia repens) is a perennial that originated in Europe, northern Africa, and temperate Asia and India. It came to the U.S. via contaminated hay/straw, and is moderately drought resistant. It is a problem for NYS in small fruit …

Elytrigia elongata, commonly called tall wheatgrass, is a perennial bunchgrass that typically grows to 3-9' tall. It is native to Turkey and Russia, but has been naturalized in the western U.S. and Canada.

Jun 22, 2024 · Quackgrass is a perennial grass which spreads by both seeds and rhizomes, forming dense clumps if left unchecked. The spreading rhizomes are typically pale yellow in color and sharply pointed at the tips. Uncut plants are one to three feet high. The leaves are narrow and flat with rough upper surfaces.

Quackgrass (Elytrigia repens (L.) Nevski) Life Cycle: Perennial. Emerges in the spring, flowers in early summer, and sets seed in late summer. Plants remain green all year. Emergence: Seeds germinate well within 2-inches of the soil surface. Very few plants emerge from seeds at depths of 4-inches or greater.

Plants of Elytrigia repens with awns are quite common and tend to be recorded as Elymus caninus by the unwary (when the florets of the latter drop or are pulled off, the two glumes stay attached to the stem, but come off with the floret in Elytrigia …

Feb 23, 2008 · Elytrigia repens is a synonym of Elymus repens (L.) Gould. Elytrigia repens is a PERENNIAL growing to 0.6 m (2ft) by 1 m (3ft 3in). See above for USDA hardiness. It is hardy to UK zone 4 and is not frost tender. It is in flower from June to September, and the seeds ripen from August to September.

Elytrigia repens (Couch Grass; syn. Triticum repens L., Agropyron repens (L.) P. Beauv., Elymus repens (L.) Gould) is a very common species of grass native to most of Europe, Asia, and northwest Africa. Other names include twitch, quick grass, quitch grass, dog …

Elytrigia repens occurs in Gansu, Qinghai, Tibet[7][53], Xinjiang and some northeastern provinces, including Liaoning and Inner Mongolia[45][93][121]. Because of its high protein and starch content, Elytrigia repens is regarded as one of the most valuable forage plants.