+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC23 Oxfordshire, Oxford,Freeland | George Claridge Druce | Charles Bailey | 9/1984 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC46 Cardiganshire, Aberystwyth | Andrew David Quentin Agnew | | 8/1975 | ABS |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Salcombe | Arthur John Farmer | Arthur John Farmer | 12/8/1962 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC34 West Gloucestershire, Lydbrook | Rhoda Hemmings | Repton School Herbarium | 5/8/1960 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Wimbledon Common | Charles Avery | | 15/9/1955 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC45 Pembrokeshire, Tenby | John Norton Mills | John Norton Mills | 15/8/1952 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC41 Glamorganshire, River Taff | Arthur Edward Wade | Sledge | 26/8/1947 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC26 West Suffolk, Tuddenham | John Norton Mills | John Norton Mills | 10/8/1947 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC23 Oxfordshire | John Norton Mills | John Norton Mills | 15/8/1942 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC23 Oxfordshire, Oxford | John Norton Mills | John Norton Mills | 15/8/1942 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC11 South Hampshire, Southampton | John Norton Mills | John Norton Mills | 6/9/1941 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC11 South Hampshire, Lovedean | Patrick Martin Hall | Job Edward Lousley Patrick Martin Hall | 16/9/1937 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC45 Pembrokeshire, Manorbier | Joseph Donald Grose | Arthur Langford Still | 13/9/1937 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC90 Angus, Glamis | Clive Anthony Stace | Botanical Society & Exchange Club of The British Isles | 19/8/1937 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Bissoe | Job Edward Lousley | Job Edward Lousley | 14/9/1936 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 28/8/1936 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC45 Pembrokeshire, Saint David's | Job Edward Lousley | Job Edward Lousley | 27/8/1935 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC41 Glamorganshire, Cardiff | Job Edward Lousley | Job Edward Lousley | 8/1935 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Bramley | Arthur Langford Still | Edward Charles Wallace William Harold Pearsall | 4/9/1934 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC4 North Devon, Woolacombe | Rex Alan Henry Graham | Job Edward Lousley | 12/8/1934 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC4 North Devon, Woolacombe | Rex Alan Henry Graham | Botanical Exchange Club of The British Isles | 12/8/1934 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC5 South Somerset, Bossington | E Rawlins | | 30/7/1934 | BIRM |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Ashtead Park | Arthur Langford Still Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 16/9/1933 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Botanical Exchange Club of The British Isles J Fraser | 12/8/1933 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC62 North-east Yorkshire, Whitby | S A Chambers | S A Chambers | 8/1933 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC34 West Gloucestershire, Redbrook | Job Edward Lousley | Job Edward Lousley | 22/7/1933 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Kew Cultivated GB, VC2 East Cornwall, Egloshayle | J Fraser | Job Edward Lousley Mary Louisa Wedgwood | 17/8/1931 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Sutton Cultivated GB, VC5 South Somerset, Wheddon Cross | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 8/1931 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC35 Monmouthshire, Tintern | Harold Stuart Thompson Job Edward Lousley | | 20/7/1930 | BIRM |
| Mentha suaveolens x longifolia = M. x rotundifolia | VC1, Trewoofe | Richard Barker Ullman | Richard Barker Ullman | 30/8/1929 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Trewoofe | Richard Barker Ullman | Richard Barker Ullman | 30/8/1929 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC93 North Aberdeenshire, New Aberdour | Isaac A Helsby | Isaac A Helsby | 17/9/1927 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC22 Berkshire, Oxford | George Claridge Druce | Botanical Society & Exchange Club of The British Isles | 9/1926 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC36 Herefordshire, Symonds Yat | Isaac A Helsby | Isaac A Helsby | 28/7/1925 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC113 Channel Islands, Guernsey,Petit Bot Bay | J S Whitehead | Job Edward Lousley | 27/7/1925 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC37 Worcestershire, Malvern | Frederick Ernest Weiss | Frederick Ernest Weiss | 16/8/1923 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC5 South Somerset, Bossington | Harold Stuart Thompson | | 7/1922 | BIRM |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Kingsbridge | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 12/9/1921 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Par | Harold Stuart Thompson | | 21/8/1921 | BIRM |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Charlestown | William Robert Sherrin | | 7/1921 | SLBI |