+ | Mentha aquatica x spicata = M. x piperita | | | Charles Bailey John Hardy Rex Alan Henry Graham | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | William Sole | Charles Bailey John Isaac Briquet John Ray Hardy William Sole | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | William Sole | Charles Bailey John Isaac Briquet William Sole | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | | Charles Bailey John Isaac Briquet | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | | Charles Bailey John Hardy John Isaac Briquet | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | John Hardy | Charles Bailey John Hardy | | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | | John Ray Hardy | Charles Bailey John Ray Hardy | | MANCH |
| Mentha aquatica x spicata = M. x piperita | | | Druce Herbarium, Oxford | | OXF |
| Mentha aquatica x spicata = M. x piperita | | Octavius Corder | C E Robinson | | SLBI |
| Mentha aquatica x spicata = M. x piperita | | | J Dickinson | | LIV |
| Mentha aquatica x spicata = M. x piperita | | | Liverpool University Joseph Dickinson | | LIV |
| Mentha aquatica x spicata = M. x piperita | | | Botanical Exchange Club of The British Isles George Claridge Druce | | CGE |
| Mentha aquatica x spicata = M. x piperita | Cultivated | James Walter White | Druce Herbarium, Oxford Edward Walter Hunnybun J Fraser | | OXF |
| Mentha aquatica x spicata = M. x piperita | | | John Harriman William Sole | | LIV |
| Mentha aquatica x spicata = M. x piperita | | | Allan Octavian Hume Frederick Townsend | | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Lizard Cultivated | William Curnow | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, Cornwall GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | Botanical Exchange Club of The British Isles | | LIV |
+ | Mentha aquatica x spicata = M. x piperita | GB, Cornwall, Cornwall | William Curnow | Charles Bailey | | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Bath | | Druce Herbarium, Oxford Charlotte Ellen Palmer | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Corston Cultivated | David Fry | William Hunt Painter | | ABS |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Glastonbury | | Charlotte Ellen Palmer | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Glastonbury | | Frederick Townsend | | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Keynsham | David Fry | William Hunt Painter | | ABS |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Lansdown | | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Virginia Water | | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Bayford | | Druce Herbarium, Oxford | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Woodstock | George Claridge Druce | Druce Herbarium, Oxford | | OXF |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk | | Charles Bailey | | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Alfrick | Richard Francis Towndrow | Charles Cardale Babington | | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Brailes | | Druce Herbarium, Oxford Henry Elliott Fox | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC40 Shropshire, Weston Lullingfields | John Eddowes Bowman | Charles Cardale Babington | | CGE |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC53 South Lincolnshire | S N Kuczynski | Charles Bailey S N Kuczynski | | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC54 North Lincolnshire, Tobyon | Marsden | Druce Herbarium, Oxford George Claridge Druce | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC57 Derbyshire | | William Hadden Beeby | | SLBI |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC59 South Lancashire, Manchester | Thomas Barker | | | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, Lancashire | Leonard Albert Livermore | | | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC61 South-east Yorkshire, Hull | | Forsyth George Bentham | | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC63 South-west Yorkshire, Doncaster | John Hardy | John Hardy Charles Bailey | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC78 Peeblesshire, Peebles | George Claridge Druce | George Claridge Druce | | OXF |