Vancouveria
Vancouveria is a small group of plants belonging to the barberry family described as a genus in 1834. The three plants in this genus are known generally as inside-out flowers, and they are endemic to the West Coast of the United States. The genus was named after George Vancouver, English navigator and explorer.
;Species
| Image | Name | Distribution |
| Vancouveria chrysantha Greene – golden inside-out flower | California, Oregon | |
| Vancouveria hexandra C.Morren & Decne. – white inside-out flower | northwestern California, western Oregon, southwestern Washington | |
| Vancouveria planipetala Calloni – redwood inside-out flower | California as far south as Monterey County, southwestern Oregon |