| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Umbilicaria | phaea | 378 |
| 2 | Umbilicaria | mammulata | 371 |
| 3 | Umbilicaria | americana | 39 |
| 4 | Umbilicaria | muehlenbergii | 33 |
| 5 | Umbilicaria | deusta | 27 |
| 6 | Umbilicaria | muhlenbergii | 27 |
| 7 | Umbilicaria | hyperborea | 23 |
| 8 | Umbilicaria | polyphylla | 19 |
| 9 | Umbilicaria | vellea | 16 |
| 10 | Umbilicaria | virginis | 12 |
| 11 | Umbilicaria | cylindrica | 12 |
| 12 | Umbilicaria | hirsuta | 12 |
| 13 | Umbilicaria | polaris | 9 |
| 14 | Umbilicaria | proboscidea | 9 |
| 15 | Umbilicaria | krascheninnikovii | 8 |
| 16 | Umbilicaria | torrefacta | 5 |
| 17 | Umbilicaria | angulata | 3 |
| 18 | Umbilicaria | decussata | 2 |
| 19 | Umbilicaria | arctica | 1 |
| 20 | Umbilicaria | grisea | 1 |
| 21 | Umbilicaria | rigida | 1 |
| 22 | Umbilicaria | polyrhiza | 1 |