Lolium

The genus name for range of grasses (4 species) called Rye-grass.
Lolium perenne, Perennial rye-grass.
Lolium multiflorum, Italian rye-grass.
Lolium rigidum, Mediterranean rye-grass.
Lolium temulentum, Darnel, also called Bearded rye-grass.
Loose Silky-Bent

An uncommon Annual grass, with the scientific name of Apera spica-ventii. The leaf is Flat or rolled, having a typical width of 3-10mm. The Ligule is Membranous, being 3-10mm in length; Auricle?: No. Growth type is Tufted.
Lyme-Grass

A common Perennial grass, with the scientific name of Leymus arenarius. The leaf is Flat or rolled, having a typical width of 8-20mm. The Ligule is Membranous, being 1mm in length; Auricle?: Yes. Growth type is Rhizomatous.
Marram

A common Perennial grass, with the scientific name of Ammophila arenaria. The leaf is Flat or rolled, having a typical width of 6mm. The Ligule is Membranous, being 10-30mm in length; Auricle?: No. Growth type is Rhizomatous.
Marsh Bent

A common Perennial grass, with the scientific name of Agrostis stolonifera var. palustris. The leaf is Flat or rolled, having a typical width of 3-7mm. The Ligule is Membranous, being 8mm in length; Auricle?: No. Growth type is Stoloniferous.
Marsh Foxtail

A common Perennial grass, with the scientific name of Alopecurus geniculatus. The leaf is Flat or rolled, having a typical width of 2-7mm. The Ligule is Membranous, being 2-5mm in length; Auricle?: No. Growth type is Tufted.
Mat-Grass

A common Perennial grass, with the scientific name of Nardus stricta. The leaf is Bristle, having a typical width of 0.5mm. The Ligule is Membranous, being 2mm in length; Auricle?: No. Growth type is Rhizomatous.
Mat-Grass Fescue

An uncommon Annual grass, with the scientific name of Vulpia unilateralis (being previously called Nardurus maritimus). The leaf is Flat or rolled, having a typical width of 1-2mm when flat or up to 0.5mm when rolled. The Ligule is Membranous, being 0.3-1mm in length; Auricle?: No. Growth type is Tufted.
Meadow Barley

A common Perennial grass, with the scientific name of Hordeum secalinum. The leaf is Flat or rolled, having a typical width of 2-6mm. The Ligule is Membranous, being 1mm in length; Auricle?: Yes. Growth type is Tufted.
Meadow Brome

A common Annual grass, with the scientific name of Bromus commutatus. The leaf is Flat or rolled, having a typical width of 3-9mm. The Ligule is Membranous, being 1-4mm in length; Auricle?: No. Growth type is Tufted.