| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Aesculus | californica | 2012 |
| 2 | Aesculus | pavia | 1141 |
| 3 | Aesculus | hippocastanum | 905 |
| 4 | Aesculus | glabra | 575 |
| 5 | Aesculus | flava | 209 |
| 6 | Aesculus | sylvatica | 180 |
| 7 | Aesculus | parviflora | 59 |
| 8 | Aesculus | carnea | 55 |
| 9 | Aesculus | x | 24 |
| 10 | Aesculus | parryi | 23 |
| 11 | Aesculus | indica | 12 |
| 12 | Aesculus | turbinata | 10 |
| 13 | Aesculus | chinensis | 1 |
| 14 | Aesculus | bushii | 1 |
| 15 | Aesculus | assamica | 1 |