Contains 8 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Aristida adscensionis | six-weeks threeawn | Not Native SNA (State Rank) G5 (Global Rank) | |
| Aristida basiramea | fork-tipped threeawn | Not Native S2S3 (State Rank) G5 (Global Rank) | |
| Aristida dichotoma var. dichotoma | church mouse threeawn | Native UPL, FACU (NWPL) UPL (NWPL EMP) FACU (NWPL NCNE) S5 (State Rank) G5 (Global Rank) | |
| Aristida geniculata | Kearney’s threeawn | Native UPL (NWPL EMP) FACU (NWPL NCNE) S1 (State Rank) G5T5? (Global Rank) | |
| Aristida longespica | slender threeawn | Native UPL (NWPL EMP) FACU (NWPL NCNE) S1 (State Rank) G5T5? (Global Rank) | |
| Aristida oligantha | prairie threeawn, oldfield threeawn | Not Native Naturalized SNA (State Rank) G5 (Global Rank) | |
| Aristida purpurascens var. purpurascens | arrow feather threeawn | Native FAC (NWPL EMP) UPL (NWPL NCNE) SNR (State Rank) G5 (Global Rank) | |
| Aristida tuberculosa | seaside threeawn | Native SNR (State Rank) G5 (Global Rank) |