Scientific classification
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Urticaceae |
| Genus: | Urtica |
| Species: | U. pilulifera |
Urtica pilulifera L.
Urtica pilulifera, the Roman nettle,[1] is a herbaceous annual flowering plant in the family Urticaceae.[2]