1	"Lower glume 3-nerved in lower half on back"	"Neurachne munroi"
1	"Lower glume 5-nerved in lower half on back"	2
2	"Plants forming tufts or hummocks which develop with age into rings as the centre of the plant dies"	"Neurachne annularis"
2	"Plants not forming tufts or hummocks"	3
3	"Spikelets 5.5-6.5 mm long"	"Neurachne minor"
3	"Spikelets 8-13 mm long"	4
4	"Upper floret 8-8.5 mm long; leaf-sheaths densely woolly outside"	"Neurachne lanigera"
4	"Upper floret 5-6.4 mm long; leaf-sheaths not woolly outside"	"Neurachne alopecuroidea"