Elymus repens (species) en

Species of grass native to Europe but naturalized elsewhere, often becoming an invasive weed spreading by long, white rhizomes. The foliage is used as forage for grazing mammals and as food by caterpillars; the seeds are eaten by finches, buntings, and other grassland birds. It has been used in herbal medicine since the Classical Greek period. It is used for medicinal purposes: it is believed that sick dogs will dig up and eat the root; it has antiseptic properties; mediaeval herbalists used it to treat urinary tract disorders and water retention. It also has antiseptic properties. Dried rhizomes have been used as incense.