| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Roella | ciliata | 54 |
| 2 | Roella | incurva | 28 |
| 3 | Roella | amplexicaulis | 17 |
| 4 | Roella | triflora | 10 |
| 5 | Roella | prostrata | 10 |
| 6 | Roella | spicata | 7 |
| 7 | Roella | squarrosa | 6 |
| 8 | Roella | arenaria | 5 |
| 9 | Roella | goodiana | 5 |
| 10 | Roella | dregeana | 3 |
| 11 | Roella | decurrens | 3 |
| 12 | Roella | muscosa | 2 |
| 13 | Roella | recurvata | 2 |
| 14 | Roella | compacta | 1 |