| Circaea lutetiana x alpina = C. x intermedia | GB, VC43 Radnorshire, Stanage Park | Augustin Ley | Augustin Ley | 4/9/1910 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC42,VC43, Llyswen | Augustin Ley | Augustin Ley | 2/8/1886 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC44 Carmarthenshire, Nant Mwyn | | | 3/8/1897 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC44 Carmarthenshire, Pysgotwr Valley | | Augustin Ley | 16/7/1891 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC44 Carmarthenshire, Rhandirmwyn | Augustin Ley | Augustin Ley | 8/1897 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC46 Cardiganshire, Cardigan | Augustin Ley | Augustin Ley | 10/8/1897 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC46 Cardiganshire, Pysgotwr Valley | Augustin Ley | Augustin Ley | 3/8/1897 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC46 Cardiganshire, River Towy | M Hildred Bigwood | | 8/1968 | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC47 Montgomeryshire, Cwm Rhaiadr | Augustin Ley | Augustin Ley | 30/8/1875 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC48 Merionethshire, Bala Lake | Augustin Ley | Augustin Ley | 9/7/1891 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC47,VC48, Mallwyd | Augustin Ley | Augustin Ley | 31/8/1875 to 1/9/1875 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC50 Denbighshire, Berwyn | | | 26/6/1901 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC50 Denbighshire, Berwyn Station | | Augustin Ley | 16/7/1901 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC50 Denbighshire, Newbridge | | Augustin Ley | 15/7/1903 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC50 Denbighshire, Wynnstay Park | Augustin Ley | Augustin Ley | 17/7/1903 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC57 Derbyshire, Brewards Carr | Augustin Ley | Augustin Ley | 31/7/1901 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Botanical Exchange Club of The British Isles Augustin Ley | 26/7/1887 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC57 Derbyshire, Shirley | Augustin Ley | Augustin Ley | 30/7/1901 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC65 North-west Yorkshire, Sedbergh | Augustin Ley | Augustin Ley | 19/7/1902 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC67 South Northumberland, Staward Peel | Willam Henry Brown | Botanical Exchange Club of The British Isles | 8/1884 | SLBI |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Ambleside | | Augustin Ley | 8/7/1905 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Coniston | Augustin Ley | Augustin Ley | 14/7/1905 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Grasmere | Henry Elliott Fox | Botanical Exchange Club of The British Isles Augustin Ley | 8/1890 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Lake Windermere | Elizabeth Anne Lomax | William Hunt Painter | 3/8/1886 | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Lake Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles Augustin Ley | 3/8/1886 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Langdale | | Augustin Ley | 17/7/1905 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Patterdale | Albert John Crosfield | Watson Botanical Exchange Club Albert John Crosfield Harold Stuart Thompson | 8/1903 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Rydal | | Robert Large Baker | 8/1875 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Stock Ghyll | Henry Horrocks Slater | William Hunt Painter | 28/7/1880 | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Stybarrow Crag | Henry Horrocks Slater | William Hunt Painter | 8/1880 | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles Charles Bailey | 3/8/1886 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles | 3/8/1886 | SLBI |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | | William Hunt Painter | | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | William West | George Stephen West William West | 7/1906 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Wray Castle | William Arthur Sledge | Job Edward Lousley William Arthur Sledge | 8/8/1933 | SLBI |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC70 Cumberland, Aira Force | Augustin Ley | Augustin Ley | 5/7/1910 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC70 Cumberland, Buttermere | Augustin Ley | Augustin Ley | 24/7/1876 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC70 Cumberland, Keswick | William Barratt | Allan Octavian Hume | 28/7/1904 | SLBI |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC70 Cumberland, Keswick | | Allan Octavian Hume Frederick Townsend | | SLBI |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC70 Cumberland, Wasdale Head | Henry Elliott Fox | Botanical Exchange Club of The British Isles Augustin Ley | 8/1888 | BIRM |