| Entry | Volume | Pages |
|---|---|---|
| Umbilicus botryoides | 40 | 149 |
| Umbilicus cyprius | 19 | 55, 57P |
| Umbilicus cyprius | 20 | 234 |
| Umbilicus erectus | 62 | 36 |
| Umbilicus erectus | 68 | 351 |
| Umbilicus intermedius | 79 | 392 |
| Umbilicus oppositifolius | 8 | 8 |
| Umbilicus pallidiflorus | 19 | 55, 58P |
| Umbilicus pallidiflorus | 20 | 234 |
| Umbilicus parviflorus | 56 | 50 |
| Umbilicus pendulinus | 20 | 229 |
| Umbilicus rupestris | 54 | 201 |
| Umbilicus rupestris | 60 | 115 |
| Umbilicus rupestris | 61 | 439 |
| Umbilicus sedoides | 1 | 135 |
| Umbilicus spinosus | 4 | 20 |
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