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| Kingdom Plantae |
| |
Hesperostipa curtiseta (Hitchc.) Barkworth – accepted – Canadian needle grass, shortbristle needle and thread
|
| |
Nassella brachyphylla (Hitchc.) Barkworth – accepted
|
| |
Nassella curviseta (Hitchc.) Barkworth – accepted
|
| |
Nassella hirtifolia (Hitchc.) Barkworth – accepted
|
| |
Nassella holwayii (Hitchc.) Barkworth – accepted
|
| |
Nassella lepida (Hitchc.) Barkworth – accepted – smallflower tussockgrass
|
| |
Nassella pulchra (Hitchc.) Barkworth – accepted – purple tussockgrass
|
| |
Nassella smithii (Hitchc.) Barkworth – accepted
|
| |
Stipa curtiseta (Hitchc.) Barkworth – not accepted
|
| |
X Elyleymus hirtiflorus (Hitchc.) Barkworth – accepted – Canadian wildrye, Wyoming wildrye |
| |
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