Genus: Aristida — threeawn
Include the basal callus when measuring the length of the lemma. Reference: Allred (2003).
Family
This genus’s species in New England
- Aristida basiramea
 - Aristida dichotoma
 - Aristida longespica
 - Aristida oligantha
 - Aristida purpurascens
 - Aristida purpurea
 - Aristida tuberculosa
 
Visit this genus in the Dichotomous Key

