https://en.wikipedia.org/wiki/Holcus_lanatus In parts of northern Europe the grass is a common native species and a hardy pasture grass. In North America, Australia Holcus lanatus is an invasive species. H. lanatus has velvety grey-green leaves. The stems are round. The inflorescence is robust and often tinged purple. It produces a large amount of seed and is a rapid coloniser of disturbed ground. It also spreads vegetatively by developing new shoots and roots at its nodes. Plants form a blanket of runners on the soil surface. Semi-prostrate rosettes of shoots called 'mops' may form at the end of the runners. These mops root readily in contact with moist soil. H. lanatus prefers wetter ground; it is often seen around drainage ditches.
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