Field Brome

A rare Annual grass, with the scientific name of Bromus arvensis. The leaf is Flat or rolled, having a typical width of 2-5mm. The Ligule is Membranous, being 2-4mm in length; Auricle?: No. Growth type is Tufted.
Fine Fescue

There are two subspecies called this name, both are uncommon Perennial grasses. Their scientific names are: Festuca rubra subspecies megastachys; and Festuca rubra ssp multiflora. They are very similar in that they do not have an Auricle; Their growth type is Rhizomatous, and both have Bristle like leaves and Membranous Ligules. The leaf width of subspecies megastachys is typically 0.5-1.2mm, with the ligule being 0.5mm in length; whilst the leaf width of subspecies multiflora is typically 0.6-1.5mm, with the ligule being 0.3mm in length.
Fine Leaved Sheep's Fescue

A common Perennial grass, with the scientific name of Festuca filiformis (formerly F. tenuifolia) The leaf is Bristle, having a typical width of 0.2-0.4mm. The Ligule is Membranous, being 0.5mm in length; Auricle?: No. Growth type is Tufted.
Flattened Meadow Grass

A common Perennial grass, with the scientific name of Poa compressa. The leaf is Flat or rolled, having a typical width of 1-4mm. The Ligule is Membranous, being 0.5-3mm in length; Auricle?: No. Growth type is Rhizomatous.
Floating Sweet-Grass

A common Perennial grass, with the scientific name of Glyceria fluitans. The leaf is Flat or rolled, having a typical width of 3-10mm. The Ligule is Membranous, being 5-15mm in length; Auricle?: No. Growth type is Tufted.
French Oat-Grass

An uncommon Annual grass, with the scientific name of Gaudinia fragilis. The leaf is Flat or rolled, having a typical width of 2-2.5mm. The Ligule is Membranous, being 0.5mm in length; Auricle?: No. Growth type is Tufted.
Gastridium ventricosum

The scientific name for Nit-grass.
Gaudinia fragilis

The scientific name for French oat-grass.
Giant Fescue

A common Perennial grass, with the scientific name of Schedonorus giganteus (previously called Festuca gigantea). The leaf is Flat or rolled, having a typical width of 6-18mm. The Ligule is Membranous, being 2.5mm in length; Auricle?: Yes. Growth type is Tufted.
Glaucous Meadow Grass

A rare Perennial grass, with the scientific name of Poa glauca. The leaf is Flat or rolled, having a typical width of 2-4mm. The Ligule is Membranous, being 1-2.5mm in length; Auricle?: No. Growth type is Tufted.