| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | IRGMA | | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Coxwold | John Gilbert Baker | IRGMA | 7/1855 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC31 Huntingdonshire, Sawtry | Arthur Bennett | IRGMA | 20/4/1885 3/9/1885 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Macclesfield | Richard Francis Towndrow Spencer Henry Bickham | Watson Botanical Exchange Club IRGMA Spencer Henry Bickham | 6/4/1905 8/8/1905 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC80 Roxburghshire, Primside Bog | Andrew Brotherston | IRGMA | 5/1878 8/1878 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | IRGMA | 9/4/1876 to 9/1876 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC62 North-east Yorkshire, Kilvington | William Foggitt | Liverpool University IRGMA Joseph Dickinson | 5/1852 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC90 Angus, Clova | | IRGMA | 13/8/1887 | LIV |
| Potamogeton pectinatus | GB, VC59 South Lancashire, Red Rock, Wigan | Paul Francis | IRGMA | 17/7/1980 | BON |
| Salix fragilis x alba = S. x rubens | GB, VC6 North Somerset, Corston | David Fry | IRGMA | 30/5/1891 to 16/8/1891 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool University IRGMA | 21/8/1956 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool University IRGMA | 21/8/1956 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool Botanical Society IRGMA | 2/7/1955 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC59 South Lancashire, Oglet | Eric Fairgrieve Greenwood | IRGMA | 13/7/1972 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC62 North-east Yorkshire, Thirsk | Allan B Hall | IRGMA Allan B Hall | 4/8/1894 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC17 Surrey, Byfleet | Gertrude Foggitt | IRGMA Frederick William Holder | 21/5/1936 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC62 North-east Yorkshire, Thirsk | Gertrude Foggitt | IRGMA Frederick William Holder | 21/7/1939 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC26 West Suffolk, Barton Mills | Thomas Jackson Foggitt | IRGMA Frederick William Holder | 13/7/1925 | LIV |
| Dryopteris dilatata | GB, VC27 East Norfolk, Cromer | G Gorton | IRGMA | 10/10/1972 | BON |
| Potamogeton natans | GB, VC59 South Lancashire, Wigan | P Francis | IRGMA | 17/7/1980 | BON |
| Salix aurita x repens = S. x ambigua | GB, VC88 Mid Perthshire, Glen Lyon | | IRGMA | 1/8/1898 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC109 Caithness, Thurso | | IRGMA | 25/8/1886 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC90 Angus, Clova | | IRGMA | 17/7/1889 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC109 Caithness, Berriedale | | IRGMA | 20/6/1888 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC18 South Essex, Epping Forest | | IRGMA | 6/1883 to 4/10/1883 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC90 Angus, Clova, Forfar | | IRGMA | 11/7/1890 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC88 Mid Perthshire, Fortingall | | IRGMA | 2/8/1891 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 22/4/1890 18/8/1890 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 15/4/1898 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 28/6/1898 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Pendle Hill | | IRGMA | | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Formby | | IRGMA | 16/6/1911 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 13/6/1889 30/8/1889 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC88 Mid Perthshire, Glen Lochay | | IRGMA | 22/7/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 5/1891 8/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC26 West Suffolk, Hopton | | Liverpool University IRGMA | 10/4/1883 25/6/1883 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Shirley | | IRGMA | 4/5/1904 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Rainford | | IRGMA | 7/6/1913 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 5/1891 8/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 28/4/1890 18/8/1890 | LIV |