| Leaf blades ± folded at base, dull to blue-green; inflorescence slightly exserted above leaves |
*C. selloana (NSW VIC TAS SA WA QLD) C. argentea |
|
| Leaf blades flat and bright green; inflorescence well exserted above leaves |
*C. jubata (NSW VIC TAS SA WA QLD) |
Key to Cortaderia derived from Zotov 1963; Harradine 1991; Linder 2005