| Iris tenax | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Genus: | Iris |
| Subgenus: | Iris subg. Limniris |
| Section: | Iris sect. Limniris |
| Series: | Iris ser. Californicae |
| Species: | I. tenax
|
| Binomial name | |
| Iris tenax | |
Iris tenax is a species of Iris, known by the common names tough-leaved iris, Oregon iris, or more colloquially, flag.