| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Mendip Hills | James Walter White | | 16/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 20/8/1909 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Spencer Henry Bickham | 16/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Botanical Society & Exchange Club of The British Isles Joseph Edward Little | 24/9/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Nine Barrows | James Walter White | Botanical Exchange Club of The British Isles George Claridge Druce James Walter White | 16/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Nine Barrows | James Walter White | | 16/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy-on-Mendip | James Walter White | Spencer Henry Bickham | 24/9/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Sharpham | Beverley Alan Miles | Beverley Alan Miles | 5/9/1954 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Charles Edgar Salmon J Fraser Spencer Henry Bickham | 25/8/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 27/8/1919 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Cedric Bucknall | | 8/9/1919 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Watson Botanical Exchange Club Joseph Edward Little | 27/8/1919 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club Joseph Edward Little | 4/8/1924 to 5/9/1924 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club Spencer Henry Bickham | 5/9/1924 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Botanical Exchange Club of The British Isles Joseph Edward Little | 4/10/1923 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Edward Francis Linton | 2/9/1910 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Edward Francis Linton | 2/9/1910 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Edmonsham Cultivated | Edward Francis Linton | Spencer Henry Bickham | 15/9/1909 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Tarrant Monkton | Richard Paget Murray | Edward Shearburn Marshall | 17/9/1892 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Tarrant Monkton | Richard Paget Murray | Richard Paget Murray | 17/9/1892 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Arthur Langford Still | Job Edward Lousley | 5/9/1937 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | Edward Charles Wallace | Edward Charles Wallace | 9/1933 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Friday Street | Cyril West | | 1950 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Kew Gardens Cultivated | John Gilbert Baker | Charles Cardale Babington John Gilbert Baker | 9/1868 | CGE |
| Mentha aquatica x spicata = M. x piperita var. officinalis | GB, VC19 North Essex, Great Leighs | William Peete | John Stevens Henslow | 4/9/1828 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | | 20/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 16/9/1915 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 13/9/1913 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 22/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 20/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 13/9/1913 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Reigate Cultivated GB, VC20 Hertfordshire, Northaw | | | 9/1914 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Charles Edgar Salmon | Charles Edgar Salmon | 9/1914 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Didcot | George Claridge Druce | George Claridge Druce | 9/1891 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Didcot | George Claridge Druce | | 9/1891 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Weybourne | Dorothy Adlington Cadbury | | 20/8/1957 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | The British Museum | 28/8/1883 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | British Museum (Natural History) | 28/8/1883 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | The British Museum Watson Botanical Exchange Club Arthur Bennett Charles Edgar Salmon | 28/8/1883 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC29 Cambridgeshire, Barrington | William Williamson Newbould | | 9/9/1856 | CGE |