| Physocarpus capitatus | |
|---|---|
| |
| Washington specimen | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Physocarpus |
| Species: | P. capitatus
|
| Binomial name | |
| Physocarpus capitatus | |
| Synonyms | |
| |
Physocarpus capitatus, commonly called Pacific ninebark or tall ninebark, is a species of Physocarpus in the rose family native to western North America.