| NAME OF PLANT | WHERE FOUND | DATE | WHERE FOUND | DATE |
| Scrophularia nodosa | ||||
| common figwort | ||||
| Scutellaria galericulata | ||||
| skullcap | ||||
| Scutellaria minor | ||||
| lesser skullcap | ||||
| Sedum acre | ||||
| biting stonecrop | ||||
| Sedum album | ||||
| white stonecrop | ||||
| Sedum anglicum | ||||
| English stonecrop | ||||
| Sedum forsterianum | ||||
| rock stonecrop | ||||
| Sedum rosea | ||||
| roseroot | ||||
| Sedum rupestre | ||||
| reflexed stonecrop | ||||
| Sedum telephium | ||||
| orpine | ||||
| Selaginella selaginoides | ||||
| lesser clubmoss | ||||
| Senecio aquaticus | ||||
| marsh ragwort | ||||
| Senecio erucifolius | ||||
| hoary ragwort | ||||
| Senecio jacobaea | ||||
| common ragwort | ||||
| Senecio squalidus | ||||
| Oxford ragwort | ||||
| Senecio sylvaticus | ||||
| heath groundsel | ||||
| Senecio viscosus | ||||
| sticky groundsel | ||||
| Senecio vulgaris | ||||
| groundsel | ||||
| Seriphidium maritimum | ||||
| sea wormwood | ||||
| Serratula tinctoria | ||||
| saw-wort | ||||
| 83 | ||||