| Juncus gerardii | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Juncaceae |
| Genus: | Juncus |
| Species: | J. gerardii
|
| Binomial name | |
| Juncus gerardii | |
| |
Juncus gerardii, commonly known as blackgrass, black needle rush or saltmarsh rush, is a flowering plant in the rush family Juncaceae.