The key works by selecting one of the two choices given for each pair of descriptions, which lead to either another pair of descriptions or the identification of your species.
|1.||Florets with one glume|
Hainardia cylindrica (Common Barb-grass)
|1.||Florets with two glumes|
|2.||Flowering spikes strongly curved; leaf sheaths inflated|
Parapholis incurva (Coast Barb-grass)
|2.||Flowering spikes erect or slightly curved; leaf sheaths not inflated|
Parapholis strigosa (Slender Barb-grass)