Oregon-grape
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 1,230
Darwin's barberry
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 454
Japanese barberry
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 206
Berberis hortensis
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 181
Barberry
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 163
Chinese barberry
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 95