Scale bar is 1cm

Sea Barley-grass - introduced (*Hordeum marinum)

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The grass plant
Barley Grasses.

hordeum hordeum hordeum

Native to  Europe. Annual. C3.

Family. Poaceae (Grass family).

Occurrence: Moderately common in suitable habtat e.g. near swamps.

Other names: *Critesion marinum

Sea Barley Grass can be recognised:

The flower cluster is usually shorter than those of Barley Grass. The flower parts are not hairy. A salt-tolerant grass.

It is an environmental weed.

1: The spikelets are shed in threes. The inner fertile spikelet has narrow glumes. The outer glumes of the infertile outer spikelets are narrow, and the inner glumes are widened at the base. Part of one of the outer glumes has been broken off. Tarrengower School Road.
2. The flower clusters are usually shorter than those of Barley-grass. Forest Creek. 3: The upper spikelets have been shed.

marinum: growing in or near the sea.