Achnatherum robustum
| Sleepy grass | |
|---|---|
| Line drawing of Achnatherum robustum from Lamson-Scribner's American grasses (illustrated), 1899 | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Genus: | Achnatherum |
| Species: | A. robustum |
| Binomial name | |
| Achnatherum robustum (Vasey) Barkworth | |
Achnatherum robustum, commonly known as sleepy grass, (synonyms Stipa robusta, also Stipa vaseyi subsp. robusta) is a perennial plant in the Poaceae or grass family.