|1.||Inflorescence spike 1-3 mm long; the rachis with distinctive protruberances on the margins and more sparingly on the back
||X.sp. Mitchell 4323 (WA)|
|Inflorescence spike 3-25 mm long; the rachis without any distinctive ornamentation
|2.||Inflorescence spike rachis glabrous and smooth to scabrous, with 3-6 spikelets
||X. imberbis (NT WA QLD)|
|Inflorescence rachis woolly with crimped hairs, with 2 spikelets||
X. barbata (NT WA QLD)
Key to Xerochloa derived from Gardner 1952; Webster 1987; Simon, in prep.