Danin, A. & Scholz, H. 1997: On the occurrence of two taxa of the Setaria verticillata complex in Israel and the Sinai. – Willdenowia 27: 177-179Meikle, R.D. 1985: Flora of Cyprus 2
but modified and accepted names differing
1Spikelets 3 mm long; upper glume shorter than the upper lemma; upper lemma very coarsely rugose
1'Spikelets 2-3.5 mm long; upper glume as long as or almost as long as lemma; upper lemma finely rugose
2Bristles retrorsely scabrid
2'Bristles antrorsely scabrid
3Free margins of leaf sheaths hairy, blades glabrous; spikelets 1.8-2.2 mm long
3'Free margins of leaf sheaths glabrous, blades more or less hairy; spikelets 1.5-2.0 mm long
4Inflorescence 10 cm or longer, 2-3 cm wide dense, often lobulate; grains persistent
4'Inflorescence much shorter and narrower, loose; grains caducous