Turfgrasses

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The genus name for range of grasses (5 species) called Sweet-grass. Glyceria declinata, Small sweet-grass. Glyceria fluitans, Floating sweet-grass. Glyceria x pedicellata, Hybrid sweet-grass. Glyceria maxima, Reed sweet-grass. Glyceria notata, Plicate sweet-grass.

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The scientific name for the Grass family, which is still an accepted name according to the International Code of Nomenclature for algae, fungi, and plants (ICN) (which until 2011 was known as the International Code of Botanical Nomenclature (ICBN)). The more common name often used to refer to the grass family is Poaceae.

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There are about 200 grass species within the UK (160 naturalised) and 11,000 species globally, according to the Online World Grass Flora. Only a few grass species are typically sown in turfgrass situations in the UK. The scientific name for the grass family is Poaceae, although Gramineae is still commonly used and accepted.

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Grasses mostly flower from the end of April through to July, although others flower later in the year, and some, annual meadow grass in particular can flower anytime during the year. A grass flower is a small feature to look at and often requires the use of a x10 or x 20 hand lens to inspect more closely. A flower head is located at the end of a flowering stalk, the culm. The flower head (or inflorescence) consists of many spikelets arranged in one of several ways, for example a panicle which is open (Annual meadow grass), a panicle which is very dense called spike-like (Timothy grasses), or

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The morphology of a grass plant which is used to aid identification of the different species.

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A rare Annual grass, with the scientific name of Bromus diandrus. The leaf is Flat or rolled, having a typical width of 4-8mm. The Ligule is Membranous, being 3-6mm in length; Auricle?: No. Growth type is Tufted.

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A rare Annual grass, with the scientific name of Briza maxima. The leaf is Flat or rolled, having a typical width of 3-8mm. The Ligule is Membranous, being 2-5mm in length; Auricle?: No. Growth type is Tufted.

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A rare Annual grass, with the scientific name of Setaria viridis. The leaf is Flat or rolled, having a typical width of 4-10mm. The Ligule is a Fringe of hairs, being 1mm in length; Auricle?: No. Growth type is Tufted.

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A rare Perennial grass, with the scientific name of Corynephorus canescens. The leaf is Bristle, having a typical width of 0.3-0.5mm. The Ligule is Membranous, being 2-4mm in length; Auricle?: No. Growth type is Tufted.

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A common Annual grass, with the scientific name of Bromus ramosus. The leaf is Flat or rolled, having a typical width of 6-16mm. The Ligule is Membranous, being 6mm in length; Auricle?: Yes. Growth type is Tufted.