| Mentha arvensis x spicata = M. x gracilis | IE, Cork, Mallow | George Claridge Druce | Druce Herbarium, Oxford | 1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | IE, Kerry, Dingle | George Claridge Druce | George Claridge Druce | 9/1906 | OXF |
| Mentha aquatica x spicata = M. x piperita | IE, VCH1 South Kerry, Kenmare | George Claridge Druce | Druce Herbarium, Oxford | 1927 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC113 Channel Islands, Saint Saviour's, Guernsey | Jean Piquet | | 1850 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC113 Channel Islands, Saint Lawrence's Valley, Jersey | Jean Piquet | Druce Herbarium, Oxford | 8/1854 | OXF |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC112 Shetland, Lerwick | Richard Charles Palmer | Druce Herbarium, Oxford | 15/8/1960 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC112 Shetland, Bay of Scousburgh | George Claridge Druce | | 8/1924 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC111 Orkney, Stenness | Henry Halcro Johnston | | 18/10/1922 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC111 Orkney, Papa Westray | Henry Halcro Johnston | George Claridge Druce | 31/8/1932 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC111 Orkney, Melsetter | George Claridge Druce | | 8/1931 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC109 Caithness, John O'groats | George Claridge Druce | | 7/1919 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC106 East Ross & Cromarty, Strathorrin | George Claridge Druce Robert Henry Corstorphine | | 1931 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC105 West Ross & Cromarty, Gruinard | George Claridge Druce | Druce Herbarium, Oxford | 1926 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC105 West Ross & Cromarty, Applecross | George Claridge Druce | George Claridge Druce | 7/1893 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC104 North Ebudes, Glen Sligachan | George Claridge Druce | | 6/1910 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC98 Argyllshire, Ballachulish | Edmund Frederic Warburg | Druce Herbarium, Oxford Edmund Frederic Warburg | 28/8/1947 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC98 Argyllshire, Ballachulish | Edmund Frederic Warburg | Druce Herbarium, Oxford | 28/8/1947 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC97 West Inverness-shire, Arisaig | George Claridge Druce | George Claridge Druce | 8/1908 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC95 Moray, Elgin,Forres | William Andrew Shoolbred | Botanical Exchange Club of The British Isles Druce's Original Herbarium Edward Shearburn Marshall | 11/8/1898 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Green Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | J Fraser | 22/7/1920 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | J Fraser | 17/9/1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC93 North Aberdeenshire, Fyvie | F Turreff | George Claridge Druce | 8/1929 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC93 North Aberdeenshire, Fyvie | F Turreff | | 7/1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC92 South Aberdeenshire, Alford | George Claridge Druce | | 8/1918 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC92 South Aberdeenshire, Alford | George Claridge Druce | | 8/1918 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Netherton | Margaret Corstorphine Robert Henry Corstorphine | R & M Corstorphine | 26/9/1926 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC90 Angus, Guthrie | George Claridge Druce Margaret Corstorphine Robert Henry Corstorphine | | 9/1912 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Glen Ogilvie | George Claridge Druce | George Claridge Druce | 9/1912 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Glamis | Arthur Langford Still Robert Henry Corstorphine | Edward Charles Wallace | 19/8/1937 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC90 Angus, Duns Bridge | George Claridge Druce | | 9/1913 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Bridge of Dun GB, VC90 Angus, Glen Ogilvie | | Druce Herbarium, Oxford George Claridge Druce | 1912 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Arbroath | R & M Corstorphine | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 19/9/1912 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Arbroath | Ursula Katherine Duncan | Ursula Katherine Duncan | 8/1954 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, Perthshire, Perth | Henry Maurice Drummond-Hay | Druce Herbarium, Oxford Frederic Stratton Henry Maurice Drummond-Hay | 13/9/1871 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, Perthshire | | Druce Herbarium, Oxford | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC89 East Perthshire, Perth | George Claridge Druce | Charles Edgar Salmon George Claridge Druce J Fraser | 8/1911 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC88 Mid Perthshire, Lawers | George Claridge Druce J Cumming | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Fortingall | Edmund Frederic Warburg | Druce Herbarium, Oxford | 2/9/1947 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC87 West Perthshire, Kennetpans | Edmund Frederic Warburg | Druce Herbarium, Oxford | 21/8/1947 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC87 West Perthshire, Callander | Young | | | OXF |