Species Recorded | Taxon | Scientific Name | Common Name | Records | Latest |
| beetle | Quedius | a Quedius species (unidentified) | 3 | 2023 |
| beetle | Quedius cinctus | a rove beetle | 2 | 2020 |
| beetle | Quedius cruentus | a rove beetle | 18 | 2022 |
| beetle | Quedius curtipennis | a rove beetle | 28 | 2023 |
| beetle | Quedius fuliginosus | a rove beetle | 23 | 2020 |
| beetle | Quedius fumatus | a rove beetle | 23 | 2021 |
| beetle | Quedius lateralis | a rove beetle | 17 | 2020 |
| beetle | Quedius levicollis | a rove beetle | 13 | 2020 |
| beetle | Quedius longicornis | a rove beetle | 1 | 1920 |
| beetle | Quedius maurorufus | a rove beetle | 17 | 2023 |
| beetle | Quedius mesomelinus | a rove beetle | 6 | 2019 |
| beetle | Quedius molochinus | a rove beetle | 8 | 2020 |
| beetle | Quedius nemoralis | a rove beetle | 2 | 2020 |
| beetle | Quedius nigriceps | a rove beetle | 8 | 2021 |
| beetle | Quedius persimilis | a rove beetle | 1 | 2008 |
| beetle | Quedius picipes | a rove beetle | 40 | 2021 |
| beetle | Quedius schatzmayri | a rove beetle | 3 | 2017 |
| beetle | Quedius scintillans | a rove beetle | 1 | 2017 |
| beetle | Quedius semiobscurus | a rove beetle | 4 | 2020 |
| beetle | Quedius truncicola | a rove beetle | 1 | 2020 |
| beetle | Quedius umbrinus | a rove beetle | 3 | 2016 |
| fungus | Quaternaria quaternata | an ascomycete fungus | 5 | 1998 |
| plant | Quercus | Oak | 2663 | 2024 |
| plant | Quercus alba | White Oak | 1 | 2015 |
| plant | Quercus castaneifolia | Chestnut-leaved Oak | 1 | 2015 |
| plant | Quercus cerris | Turkey Oak | 654 | 2024 |
| plant | Quercus cerris x suber = Q. x crenata | Lucombe Oak | 21 | 2019 |
| plant | Quercus coccinea | Scarlet Oak | 3 | 2013 |
| plant | Quercus ilex | Holm Oak | 1018 | 2024 |
| plant | Quercus ilex x robur = Q. x turneri | Turner's Oak | 1 | 2015 |
| plant | Quercus libani | Lebanon Oak | 1 | 2015 |
| plant | Quercus palustris | Pin Oak | 2 | 2023 |
| plant | Quercus petraea | Sessile Oak | 322 | 2024 |
| plant | Quercus petraea x robur = Q. x rosacea | Hybrid Oak | 17 | 2018 |
| plant | Quercus pyrenaica | Pyrenean Oak | 1 | 2003 |
| plant | Quercus robur | Pedunculate Oak | 5914 | 2025 |
| plant | Quercus robur group 'Fastigiata' | Cypress Oak | 1 | 2015 |
| plant | Quercus robur var. cristata | Cluster Oak | 2 | 2015 |
| plant | Quercus rubra | Red Oak | 61 | 2023 |
| plant | Quercus suber | Cork Oak | 6 | 2015 |