1. Lemma ciliate to some degree on margins 2
Lemma glabrous on margins 3

2. Lemmas long ciliate from base to apex *V. ciliata (NSW VIC SA)
Lemmas ciliate in apical 1/3 *V. myuros f. megalura (NSW VIC TAS SA WA QLD)

V. megalura

3. Upper glume ±twice length of lower glume *V. bromoides (NSW VIC TAS SA WA QLD)
Upper glume 3-4 times as long as lower glume 4

4. Lemma with a wide hyaline margin *V. fasciculata (NSW VIC TAS SA WA)

V. membranacea auct.
Lemma without a hyaline margin 5

5. Inflorescence not fully exserted from uppermost leaf sheath

*V. myuros f. myuros (NSW VIC TAS NT SA WA QLD)

Inflorescence well exserted from uppermost leaf sheath *V. muralis (NSW VIC TAS SA WA QLD)

Key to Vulpia derived from Willis 1970; Tutin 1980

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