| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Gresford | John Bland Wood | John Bland Wood | 24/10/1841 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC59 South Lancashire, Warrington | William Wilson | John Stevens Henslow | 9/1825 to 9/1826 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC70 Cumberland, Drigg | Robert Hardy Williamson | | 1924 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC62 North-east Yorkshire, Haxby | Henry John Wilkinson | | 9/1883 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Compton Dando | James Walter White | William Hunt Painter | 8/1896 | ABS |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Gurney Slade | James Walter White | Watson Botanical Exchange Club James Walter White | 11/9/1925 | SLBI |
| 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, Mendip Hills | James Walter White | | 16/9/1908 | 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 | James Walter White | Watson Botanical Exchange Club Job Edward Lousley | 19/9/1929 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Watson Botanical Exchange Club | 19/9/1929 | SLBI |
| 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, Walton in Gordano | James Walter White | | 25/8/1925 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | | Watson Botanical Exchange Club Isaac A Helsby James Walter White | 28/8/1927 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club James Walter White | 28/8/1927 | SLBI |
| 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 | 4/10/1923 | OXF |
| 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, VC6 North Somerset, Weston in Gordano | James Walter White | Botanical Exchange Club of The British Isles | 4/10/1923 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Job Edward Lousley | 22/8/1927 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club | 4/8/1924 5/9/1924 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, Somerset, Corston Cultivated | David Fry | James Walter White William Hunt Painter | 8/1896 | ABS |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Aberdalgie | Francis Buchanan White | | 10/9/1887 | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Artney | Francis Buchanan White | | 2/9/1893 | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Farg | Francis Buchanan White | | | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Farg | Francis Buchanan White | | 28/8/1886 | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Farg | Francis Buchanan White | | 28/8/1886 | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC89 East Perthshire, Kinfauns Station | Francis Buchanan White | | 3/9/1874 | PTH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 7/1901 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC104 North Ebudes, Broadford | Mary McCallum Webster | | 16/9/1978 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC48 Merionethshire, Llanycil | J A Webb | National Museum of Wales Job Edward Lousley | 26/9/1941 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC61 South-east Yorkshire, Elloughton GB, VC61 South-east Yorkshire, Welton | Charles Waterfall | Charles Waterfall | 9/1891 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Aske Wood | James Ward | | 9/9/1835 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/9/1831 | CGE |
+ | Mentha aquatica x spicata = M. x piperita | GB, England | James Ward | | 12/9/1865 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire | Alfred Rayney Waller | Liverpool University | 7/1884 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Ewhurst | Edward Charles Wallace | Botanical Exchange Club of The British Isles | 22/9/1935 | OXF |