| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Kenilworth | | Robert Large Baker | 9/1873 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC39 Staffordshire, Alstonfield | W H P | Augustin Ley | 1878 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Aberdare | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Augustin Ley Harry Joseph Riddelsdell | 9/1899 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Parkmill | Eleanor Vachell | Harold Stuart Thompson Arthur Langford Still | 10/9/1934 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Western Nedd (Head of) | | Augustin Ley | 3/8/1898 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC42 Breconshire, Aberclydach | Augustin Ley | Augustin Ley | 30/7/1900 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC42 Breconshire, Dolygaer | | Augustin Ley | 30/7/1900 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC42 Breconshire, Llangorse Lake | Augustin Ley | Augustin Ley | 8/8/1876 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC42 Breconshire, Partricio [Partrishow] | Augustin Ley | Augustin Ley | 18/8/1896 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC43 Radnorshire, Glasbury | Augustin Ley | Augustin Ley | 19/8/1885 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC55 Leicestershire, Aylestone | Henry Bromwich | Augustin Ley | 9/1878 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC55 Leicestershire, Cropston | William Bell | Botanical Exchange Club of The British Isles Augustin Ley | 9/1908 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC57 Derbyshire, Whaley Bridge | Augustin Ley | Augustin Ley | 30/8/1870 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC57 Derbyshire, Yeldersley | William Richardson Linton | Botanical Exchange Club of The British Isles Augustin Ley William Richardson Linton | 23/8/1890 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC62 North-east Yorkshire, Ayton | William A Mudd | George Stephen West | 8/1852 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC62 North-east Yorkshire, Morton Carr, Cleveland | William A Mudd | George Stephen West | 8/1853 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC64 Mid-west Yorkshire, Baildon | William West | George Stephen West | 8/1878 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC64 Mid-west Yorkshire, Ingleborough | George Stephen West | George Stephen West | 8/9/1907 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC99 Dunbartonshire, Shandon | Charles Bailey | Watson Botanical Exchange Club Harold Stuart Thompson | 1/10/1897 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC1 West Cornwall, Perranarworthal | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey Spencer Henry Bickham | 3/8/1911 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC2 East Cornwall, Carkeel | Thomas Richard Archer Briggs | Charles Cardale Babington | 19/9/1873 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC2 East Cornwall, Saint Mellion | Thomas Richard Archer Briggs | | 4/9/1877 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Bere Ferrers | Cyril West | | 8/1957 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Cardale Babington | 7/9/1877 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Hestercombe | Edward Shearburn Marshall | | 16/8/1906 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Kings Brompton | Edward Shearburn Marshall | Spencer Henry Bickham | 9/9/1907 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Minehead | Edward Shearburn Marshall | Edward Francis Linton | 20/9/1906 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Monkton Heathfield | Edward Shearburn Marshall | Spencer Henry Bickham | 16/8/1906 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Wiveliscombe | Edward Shearburn Marshall | | 12/8/1916 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Bath | Charles Cardale Babington | John Stevens Henslow | 9/1833 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Claverton Wood | | Charles Cardale Babington | 9/1833 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Compton Dando | James Walter White | Spencer Henry Bickham | 1/9/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Compton Dando | James Walter White | Joseph Edward Little | 1/9/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club Charles Edgar Salmon Spencer Henry Bickham | 17/8/1925 | CGE |