All Species in Physocarpus
- Common Ninebark (Physocarpus opulifolius)
- Dwarf Ninebark (Physocarpus alternans)
- Mallow Ninebark (Physocarpus malvaceus)
- Mountain Ninebark (Physocarpus monogynus)
- Pacific Ninebark (Physocarpus capitatus)
- Physocarpus amurensis (Physocarpus amurensis)
- Physocarpus bracteatus (Physocarpus opulifolius)
- Physocarpus intermedius (Physocarpus intermedius)