1. Lemmas hairy

E. gulliveri (QLD) 

E. gulliveri var. squarrulosa

Lemmas not hairy 2

2. Spikelets 14-30 mm long (excluding awns); lowest lemma 4-7 mm long 3
Spikelets 2-11(-14) mm long (excluding awns); lowest lemma 1.5-4 mm long 7

3. Spikelets 25-30 mm long E. blakei (NT QLD)
Spikelets 14-20 mm long 4




Spikelets appressed to inflorescence branches  5
Spikelets laxly dispersed

Spikelets at least 12 mm long E. danesii (NT WA QLD)
Spikelets less than 12 mm long E. appressa (QLD)
Lemmas and awns diverging near apex of spikelets; lemmas 3 nerved E. laxa (NT QLD)
Lemmas and awns aproximately parallel; lemma 3-7 nerved E. ovata (QLD)



Lemmas distinctly scabrid all over E. confusa (NT WA QLD)
Lemmas smooth or slightly scabrous 8

Lemmas with a distinct awn at least 2 mm long  E. scabrida  (NT QLD)
Lemmas narrowly acuminate to aristate 9
9. Spikelets 2-6 mm wide 10
Spikelets 0.5-1.5 mm wide 11

10. Spikelets 2-3 mm wide; lemma 3 nerved
E. anomala (QLD)
Spikelets 3-6 mm wide; lemma 5 nerved E. nervilemma (QLD)

11. Florets 8-25, all similar, mainly bisexual; awns 0.5-1.5 mm long E  lasioclada (NT WA QLD)

E. eragrostoides, E. subaristata, Ectrosiopsis lasioclada
Florets 2-9, lower bisexual or male, upper sterile; awns up to 12 mm long 12

12. Lowest lemma 3-3.5 mm long 13
Lowest lemma 1.5-3 mm long 14

13. Perennial E. schultzii var. schultzii (NT WA QLD)
Annual E. schultzii var. annua (NT QLD)

14. Spikelets 2-3mm long; inflorescence open E. agrostoides (NT WA QLD)
Spikelets 3-7mm long; inflorescence ±congested E. leporina (NT WA QLD)

E. leporina var. longiglumis, E. leporina var. micrantha,
E. leporina
var. pauciflora, E. leporina var. spadicea

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith