| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Newdigate | Edward Charles Wallace | Botanical Exchange Club of The British Isles Edward Charles Wallace Charles Edward Britton | 6/9/1933 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Newdigate | Edward Charles Wallace | Botanical Exchange Club of The British Isles Edward Charles Wallace | 6/9/1933 | K |
| Mentha gentilis var. wirtgeniana | GB, VC17 Surrey, Kingston GB, VC17 Surrey, North Sheen Cultivated | J Fraser | J Fraser | 21/8/1933 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC34 West Gloucestershire, Symonds Yat | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | J Fraser | 13/8/1933 | K |
| Mentha rubra | GB, VC35 Monmouthshire, Tintern | Harold Stuart Thompson Job Edward Lousley | Harold Stuart Thompson | 7/1933 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC46 Cardiganshire, Mount | Cecil Ivry Sandwith Noel Yvri Sandwith | | 9/9/1932 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, Brecon | Arthur Hugh Garfit Alston Noel Yvri Sandwith | | 9/1932 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | J Fraser | Watson Botanical Exchange Club J Fraser | 20/9/1931 | SLBI |
| Mentha rubra | GB, VC17 Surrey, Albury | J Fraser | Watson Botanical Exchange Club Harold Stuart Thompson J Fraser | 20/9/1931 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Ansteadbrook | Rowland John Burdon | Watson Botanical Exchange Club Job Edward Lousley | 14/9/1931 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | J Fraser | Watson Botanical Exchange Club J Fraser Job Edward Lousley | 20/8/1931 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Newdigate | Edward Charles Wallace | Edward Charles Wallace | 28/9/1930 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Chobham | Job Edward Lousley | Watson Botanical Exchange Club | 7/9/1930 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Chobham | Job Edward Lousley | Watson Botanical Exchange Club J Fraser | 7/9/1930 | K |
| Mentha rubra | GB, VC17 Surrey, Chobham | Job Edward Lousley | Watson Botanical Exchange Club Harold Stuart Thompson | 7/9/1930 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC17 Surrey, Kew Cultivated GB, VC17 Surrey, Kingston | J Fraser | J Fraser | 3/9/1930 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 7/9/1929 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace J Fraser | 7/9/1929 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 31/8/1929 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield Marsh | Edward Charles Wallace | Edward Charles Wallace | 31/8/1929 | CGE |
| Mentha gentilis var. wirtgeniana | GB, VC17 Surrey, Kew Cultivated GB, VC17 Surrey, North Sheen | J Fraser | J Fraser | 17/8/1929 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Brook | Edward Charles Wallace | Edward Charles Wallace | 15/9/1928 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Dorking | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 8/9/1928 | K |
| Mentha rubra | GB, VC17 Surrey, Dorking | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Harold Stuart Thompson | 8/9/1928 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC19 North Essex, Alphamstone | George Charles Brown | Richard Barker Ullman | 26/8/1928 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC19 North Essex, Alphamstone | George Charles Brown | Botanical Exchange Club of The British Isles George Charles Brown Job Edward Lousley | 26/8/1928 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC19 North Essex, Alphamstone | George Charles Brown | Botanical Society & Exchange Club of The British Isles George Charles Brown | 26/8/1928 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Esher | Job Edward Lousley | Job Edward Lousley | 19/8/1928 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Esher | S A Chambers | S A Chambers | 1928 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Rowberrow | James Walter White | | 29/9/1927 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Honiton | George Thomas Harris | | 22/9/1927 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Esher,West End Common | Charles Edward Britton | Charles Edward Britton | 18/9/1927 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC7 North Wiltshire, Aldbourne | Emily Sophia Todd | J Fraser | 1/9/1927 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | Edward Charles Wallace | Edward Charles Wallace Job Edward Lousley | 15/9/1926 | SLBI |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Ross | Mary Louisa Wedgwood | J Fraser | 9/1926 | K |
| Mentha gentilis var. wirtgeniana | GB, VC34 West Gloucestershire, Symonds Yat | Harry Joseph Riddelsdell Mary Louisa Wedgwood | J Fraser | 1925 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC21 Middlesex, Feltham | Richards | A G Leighton Ltd Ministry of Agriculture & Fisheries | 5/11/1924 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC21 Middlesex, Feltham | Richards | A G Leighton Ltd Ministry of Agriculture & Fisheries | 29/10/1924 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Dorking, Stonebridge | J Fraser | J Fraser | 4/9/1921 | K |
| Mentha gentilis var. wirtgeniana | GB, VC17 Surrey, Kingston Cultivated | J Fraser | J Fraser | 24/7/1921 | K |