Key to the subspecies of Acacia aspera
Current node
- Heads 30–50-flowered, bright yellow; peduncles less than 10 mm long, with eglandular hairs and shorter, sessile or subsessile glands; bracteoles eglandular, longer than buds
- Heads with up to 35 flowers, usually cream or pale yellow; peduncles slender, usually 9–16 mm long with glandular hairs, and if present, eglandular hairs shorter than glandular hairs; bracteoles gland-tipped, not or hardly exceeding buds immediately before anthesis