Berberis oiwakensis (Hayata) Laferr.
Berberidaceae
| Collection Number | not collected |
| Collectors | |
| Identified By | |
| Source | C. Davidson |
| Date | 13 February 2003 |
| Country | USA |
| state | Idaho |
| county | Idaho |
| Garden | Mathias Botanical Garden |
| Location | Los Angeles. UCLA campus in Westwood |