Hordeum vulgare L. subsp. vulgare

Tufts 50–120 cm. Culm 45–110 cm. Raceme 5–9 × 1–1.5 cm, lax- or dense-flowered, in section square (4-rowed barley), or hexagonal (6-rowed barley). Spikelets all sessile, ☿. Lemma 9–12 mm; awn 9–17 cm. Caryopsis 8–10 × 2–3.5 mm.

[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]