Dirca occidentalis A. Gray
Thymelaeaceae
| Collection Number | not collected |
| Collectors | |
| Identified By | |
| Source | C. Davidson |
| Date | 11 February 2004 |
| Country | USA |
| state | California |
| county | Alameda |
| Location | Anthony Chabot Regional Park, 9999 Redwood Road, Castro Valley. |