| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Aristida | purpurea | 276 |
| 2 | Aristida | adscensionis | 63 |
| 3 | Aristida | stricta | 39 |
| 4 | Aristida | oligantha | 30 |
| 5 | Aristida | purpurascens | 28 |
| 6 | Aristida | congesta | 21 |
| 7 | Aristida | spiciformis | 20 |
| 8 | Aristida | ternipes | 17 |
| 9 | Aristida | beyrichiana | 17 |
| 10 | Aristida | desmantha | 16 |
| 11 | Aristida | diffusa | 13 |
| 12 | Aristida | divaricata | 12 |
| 13 | Aristida | tuberculosa | 11 |
| 14 | Aristida | longespica | 8 |
| 15 | Aristida | lanosa | 8 |
| 16 | Aristida | junciformis | 7 |
| 17 | Aristida | basiramea | 5 |
| 18 | Aristida | pansa | 5 |
| 19 | Aristida | dichotoma | 3 |
| 20 | Aristida | behriana | 3 |
| 21 | Aristida | meridionalis | 2 |
| 22 | Aristida | canescens | 2 |
| 23 | Aristida | rufescens | 2 |
| 24 | Aristida | californica | 2 |
| 25 | Aristida | vaginata | 1 |
| 26 | Aristida | arizonica | 1 |
| 27 | Aristida | bipartita | 1 |
| 28 | Aristida | gypsophila | 1 |
| 29 | Aristida | gyrans | 1 |
| 30 | Aristida | laxa | 1 |
| 31 | Aristida | parvula | 1 |
| 32 | Aristida | personata | 1 |
| 33 | Aristida | ramosa | 1 |
| 34 | Aristida | schiedeana | 1 |