Subspecies, varieties, forms and cultivars of plants belonging to the Xanthorrhoea glauca group

• Xanthorrhoea glauca D.J.Bedford: mostly 3–4 mm wide in transverse section, 1–2.6 mm thick, blue-green. Spike 100–200 cm long, 4–6 cm diameter. Outer tepals triangular with a beak to 1.5 mm long. South-east Australia.
• Xanthorrhoea glauca subs. angustifolia D.J.Bedford: mostly 1.3–2.8 mm wide in transverse section,, O.9–1.6 mm thick, greyish. Spike 100–160 cm long, 4–5 cm diameter. Outer tepals triangular with a beak to 0.5 mm long.