| Inflorescence 10-20 mm wide; awns conspicuous | *C. echinatus (NSW VIC TAS SA WA QLD) |
| Inflorescence up to 10 mm wide; awns inconspicuous | *C. cristatus (NSW VIC TAS SA WA) |
Key to Cynosurus derived from Tutin 1980; Wheeler, Jacobs and Norton 1990
Taxonomic name: