| Upper glume 5-9 mm long; lowest node of inflorescence with few branches; panicle diffuse and partially drooping |
P. australis (NSW VIC TAS NT SA WA QLD) P. communis |
| Upper glume 4-6 mm long; lowest node of inflorescence with many branches; panicle erect and compact |
P. karka (NT SA WA QLD) P. vallatoria auct. |
Key to Phragmites derived from Clayton 1967; Veldkamp 1992; Ward 2010
Taxonomic name: