| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Par | William Robert Sherrin | | 7/1921 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC23 Oxfordshire, Wolvercote | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 9/1919 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC79 Selkirkshire, Galashiels | Ida Margaret Hayward | Charles Bailey | 8/1918 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC6 North Somerset, Shipham on Mendip | James Walter White | Watson Botanical Exchange Club Job Edward Lousley | 23/8/1916 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC10 Isle of Wight, Niton | Douglas Montague Heath | | 15/7/1914 | BIRM |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC28 West Norfolk, Wells GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Watson Botanical Exchange Club Edward Francis Linton William Robert Sherrin | 20/9/1913 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Lilant | | Schill | 22/8/1912 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Gwennap | Frederick Hamilton Davey | Watson Botanical Exchange Club Charles Bailey | 23/8/1911 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC24 Buckinghamshire, between Kimble and Ellesborough | Frances Louisa Foord-Kelcey | Charles Bailey | 8/1911 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC27 East Norfolk, Hickling | Chenevix-Trench | Chenevix-Trench | 1911 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC27 East Norfolk, Hickling | Chenevix-Trench | Chenevix-Trench | 1911 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC27 East Norfolk, Hickling | Chenevix-Trench | Chenevix-Trench | 1911 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC28 West Norfolk, Wells Cultivated | Edward Francis Linton | Watson Botanical Exchange Club Edward Francis Linton William Robert Sherrin | 8/9/1909 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC36 Herefordshire, Great Doward | Augustin Ley | | 4/9/1909 | BIRM |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC41 Glamorganshire, Bishopston | Charles Bailey | Charles Bailey | 3/9/1909 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC28 West Norfolk, Wells GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 20/8/1909 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC57 Derbyshire, Wirksworth,Wirksworth Quarries | William Bell | Botanical Exchange Club of The British Isles Charles Bailey | 9/1908 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC5 South Somerset, Bossington | Spencer Henry Bickham | | 17/8/1908 | BIRM |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC41 Glamorganshire, Whitchurch | Harry Joseph Riddelsdell | | 7/8/1908 | BIRM |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC5 South Somerset, Bossington | Edward Shearburn Marshall | Charles Bailey | 23/9/1907 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC5 South Somerset, Bossington | Edward Shearburn Marshall | Charles Bailey | 23/9/1907 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Hindhead Cultivated | Charles Bailey | Charles Bailey | 7/10/1905 | MANCH |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Hindhead Cultivated | Charles Bailey | Charles Bailey | 7/10/1905 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Tintagel | Charles Baylis Green | Charles Baylis Green | 9/1905 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC49 Caernarvonshire, Nevin | Arnold Eastwood Bradley | Arnold Eastwood Bradley | 9/1905 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Crantock | Chambre Corker Vigurs | | 31/8/1905 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Cubert | Chambre Corker Vigurs | | 31/8/1905 | ABS |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC36 Herefordshire, Ludlow,Brimfield | Charles L Walton | Charles L Walton | 23/8/1905 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC52 Anglesey, Beaumaris | Richard Henry Yapp | | 9/1904 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC52 Anglesey, Beaumaris | Richard Henry Yapp | | 9/1904 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 4/9/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 4/9/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 13/8/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, East Looe | Allan Octavian Hume | Allan Octavian Hume | 31/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Allan Octavian Hume | 28/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 13/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC74 Wigtownshire, Barnbarroch | Emily Kate Higgins | Watson Botanical Exchange Club Dorcas Martha Higgins William Robert Sherrin | 8/1900 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, England,Colwyth | Frederick Ernest Weiss | F E Weiss | 8/1900 | MANCH |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Looe | Allan Octavian Hume | Allan Octavian Hume | 29/7/1900 | SLBI |
+ | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC41 Glamorganshire, Whitchurch | Harry Joseph Riddelsdell | Charles Bailey | 26/8/1899 | MANCH |