in taxon straw, fodder or forage of cereal grains and grasses couch grass plant PLANTS:ELRE4 Elymus repens, commonly known as couch grass, is a very common perennial species of grass native to most of Europe, Asia, the Arctic biome, and northwest Africa. It has been brought into other mild northern climates for forage or erosion control, but is often considered a weed. Other names include common couch, twitch, quick grass, quitch grass (also just quitch), dog grass, quackgrass, scutch grass, and witchgrass. [https://en.wikipedia.org/wiki/Elymus_repens] elymus repens Elymus repens requires discussion