| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Dawley | William Hunt Painter | Botanical Exchange Club of The British Isles IRGMA William Hunt Painter | 4/1894 7/1894 | LIV |
| Mentha piperita var. piperita | GB, VC40 Shropshire, Gobowen | Vera Gordon | | 18/8/1955 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC40 Shropshire, Hanwood | William Allport Leighton | IRGMA | 1842 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC40 Shropshire, Kemberton | William Hunt Painter | IRGMA William Hunt Painter | 7/1894 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Llyn nr. Oswestry | Vera Gordon | | 18/8/1957 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC40 Shropshire, Meole Brace | James Cosmo Melvill | Botanical Exchange Club of The British Isles | 8/1906 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Shrewsbury | James Cosmo Melvill | Botanical Society & Exchange Club of The British Isles James Cosmo Melvill | 17/8/1916 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Aberdare | Harry Joseph Riddelsdell | | 9/1899 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC41 Glamorganshire, Swansea Cultivated | William Richardson Linton | IRGMA | 24/4/1894 7/8/1894 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, River Cynon | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles | 9/1901 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC43 Radnorshire, Newbridge on Wye | M Hildred Bigwood | M Hildred Bigwood | 27/7/1976 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC45 Pembrokeshire, Newport | Robert Brian Ivimey-Cook | | 4/7/1940 | LIV |
| Mentha piperita var. piperita | GB, VC48 Merionethshire, Llanfair | William Richardson Linton | | 11/8/1895 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC48 Merionethshire, Llanfair | William Richardson Linton | IRGMA | 13/8/1895 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC49 Caernarvonshire, Abersoch | | C K Jones-Parry | 8/1944 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC49 Caernarvonshire, Bangor | William Richardson Linton | IRGMA | 26/7/1892 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC49 Caernarvonshire, Great Orme | M Hildred Bigwood | M Hildred Bigwood | 4/1958 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC49 Caernarvonshire, Llanfairfechan | | | 14/7/1908 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Llyn Peris | Job Edward Lousley | Reading University Job Edward Lousley | 29/8/1935 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Nevin | | | 24/9/1929 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Erddig | Vera Gordon | | 9/1992 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Erddig | Vera Gordon | | 9/1992 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Llandulas | | | 20/8/1914 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Llangollen | M Hildred Bigwood | | 4/9/1955 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Llangollen | M Hildred Bigwood | | 4/9/1955 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Llangollen | M Hildred Bigwood | M Hildred Bigwood | 28/7/1954 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Llangollen | M Hildred Bigwood | M Hildred Bigwood | 28/7/1954 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Rossett | Conrad Theodore Green | Conrad Theodore Green | 14/9/1895 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Trevor | Vera Gordon | | 29/8/1954 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC51 Flintshire, Nant-y-Flint | Conrad Theodore Green | Conrad Theodore Green | 30/8/1894 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC51 Flintshire, River Alyn | Arthur Augustine Dallman | Arthur Augustine Dallman | 24/8/1906 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50,VC51, Moel Fammau | M E M Atkinson | | 16/8/1959 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50,VC51, Rhyl | Eliza Potts | Grosvenor Museum Chester Eliza Potts | | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC50,VC51, Rhyl | Eliza Potts | Grosvenor Museum Chester Eliza Potts | 1842 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC52 Anglesey, Benllech | M Hildred Bigwood | | 9/1952 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC52 Anglesey, Benllech | Herbert Edwin Bunker | | 7/1963 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC52 Anglesey, Valley | William Richardson Linton | IRGMA | 3/7/1895 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, King's Norton | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles IRGMA Arthur Reginald Horwood | 11/7/1908 1/9/1909 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC56 Nottinghamshire, Farndon | Vera Gordon | | 15/9/1965 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC56 Nottinghamshire, Farndon Cultivated | Vera Gordon | | 5/9/1965 | LIV |