| NAME OF PLANT | WHERE FOUND | DATE | WHERE FOUND | DATE |
| Acer campestre | ||||
| field maple | ||||
| Acer platanoides | ||||
| Norway maple | ||||
| Acer pseudoplatanus | ||||
| sycamore | ||||
| Aceras anthropophorum | ||||
| man orchid | ||||
| Achillea millefolium | ||||
| yarrow | ||||
| Achillea ptarmica | ||||
| sneezewort | ||||
| Acorus calamus | ||||
| sweet-flag | ||||
| Adoxa moschatellina | ||||
| moschatel | ||||
| Aegopodium podagraria | ||||
| ground-elder | ||||
| Aesculus hippocastanus | ||||
| horse-chestnut | ||||
| Aethusa cynapium | ||||
| fool's-parsley | ||||
| Agrimonia eupatoria | ||||
| agrimony | ||||
| Agrimonia procera | ||||
| fragrant agrimony | ||||
| Agrostis canina | ||||
| velvet bent | ||||
| Agrostis capillaris | ||||
| common bent | ||||
| Agrostis gigantea | ||||
| black bent | ||||
| Agrostis stolonifera | ||||
| creeping bent | ||||
| Agrostis vinealis | ||||
| brown bent | ||||
| Aira caryophyllea | ||||
| silver hair-grass | ||||
| Aira praecox | ||||
| early hair-grass | ||||
| 1 | ||||