| NAME OF PLANT | WHERE FOUND | DATE | WHERE FOUND | DATE |
| Sanguisorba minor | ||||
| salad burnet | ||||
| Sanguisorba officinalis | ||||
| great burnet | ||||
| Sanicula europaea | ||||
| sanicle | ||||
| Saponaria officinalis | ||||
| soapwort | ||||
| Saussurea alpina | ||||
| alpine saw-wort | ||||
| Saxifraga aizoides | ||||
| yellow saxifrage | ||||
| Saxifraga granulata | ||||
| meadow saxifrage | ||||
| Saxifraga hypnoides | ||||
| mossy saxifrage | ||||
| Saxifraga oppositifolia | ||||
| purple saxifrage | ||||
| Saxifraga stellaris | ||||
| starry saxifrage | ||||
| Saxifraga tridactylites | ||||
| rue-leaved saxifrage | ||||
| Scabiosa columbaria | ||||
| small scabious | ||||
| Schoenoplectus lacustris | ||||
| common club-rush | ||||
| Schoenoplectus tabernaemontani | ||||
| grey club-rush | ||||
| Schoenus nigricans | ||||
| black bog-rush | ||||
| Scilla autumnalis | ||||
| autumn squill | ||||
| Scilla verna | ||||
| Spring squill | ||||
| Scirpus sylvaticus | ||||
| wood club-rush | ||||
| Scleranthus annuus | ||||
| annual knawel | ||||
| Scrophularia auriculata | ||||
| water figwort | ||||
| 81 | ||||