| Salix viminalis x caprea = S. x smithiana | GB, VC59 South Lancashire | Vera Gordon | | 21/7/1998 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC93 North Aberdeenshire, Loch of Strathbeg | Christopher David Preston David Welch Peter M Hollingsworth | | 25/8/1994 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH26 East Mayo, Cloonfallagh | Christopher David Preston | | 21/7/1994 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH26 East Mayo, Cloonfallagh | Christopher David Preston | | 21/7/1994 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC59 South Lancashire, Birkdale | Vera Gordon | | 1/5/1993 | LIV |
| Salix viminalis x caprea = S. x smithiana | IE, VCH4 Mid Cork, Meengorman | Maura Josephine Patricia Scannell | Maura Josephine Patricia Scannell | 15/7/1990 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC52 Anglesey, Llyn Maelog | Christopher David Preston Nicholas F Stewart | | 27/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Carrowkeel | Christopher David Preston Nicholas F Stewart | | 25/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Lough Meela | Christopher David Preston Nicholas F Stewart S D Webster | | 23/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Dunglow Lough | Christopher David Preston Nicholas F Stewart S D Webster | | 22/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC64 Mid-west Yorkshire, Otley | Christopher David Preston P P Abbott | | 22/7/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH25 Co. Roscommon, Ballaghaderreen | Christopher David Preston | | 22/8/1988 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH25 Co. Roscommon, Ballaghaderreen | Christopher David Preston | | 22/8/1988 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH21 Co. Dublin, Kelly's Glen | Sylvia Reynolds | | 10/8/1987 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH21 Co. Dublin, Kelly's Glen | Sylvia Reynolds | | 10/8/1987 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH23 Westmeath, Coolure, W of Castlepolland | M Scannell | | 25/7/1987 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Sawston | A C Leslie | | 30/5/1987 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 26/4/1987 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bourn | Peter Derek Sell | | 11/7/1986 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH25 Co. Roscommon, Stokestown | Donal Michael Synnott | | 17/9/1981 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH16 West Galway, Lettenfrack | M Scannell | | 13/9/1979 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC60 West Lancashire, Melling-with-Wrayton | C Sargent | | 7/6/1979 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC69 Westmorland, Appleby | | Richard Crewdson Leaver Howitt | 7/1978 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH22 Meath, Rasnaree | Donal Michael Synnott | Irish National Herbarium Glasnevin Dublin | 21/5/1978 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH22 Meath, Duleck | Donal Michael Synnott | | 29/9/1977 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC100 Clyde Islands, Lochranza | | Richard Crewdson Leaver Howitt | 7/1976 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC75 Ayrshire, Balsalloch | Richard Crewdson Leaver Howitt | Richard Crewdson Leaver Howitt | 9/1974 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH13 Co. Carlow, Graiguenamenagh | M Scannell | | 23/7/1973 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH13 Co. Carlow, Grangenemsnagh | M Scannell | | 23/7/1973 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 30/12/1967 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH22 Meath, Carragha | Donal Michael Synnott Franklyn Hugh Perring | | 15/9/1967 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH22 Meath, Curragha | Donal Michael Synnott Franklyn Hugh Perring | | 15/9/1967 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC50 Denbighshire, Cefn-y-rhodfa | Cambridge Botany Schppl Expedition, Wales | | 20/8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC50 Denbighshire, Llanrhaiadr-ym-Mochnant | Cambridge Botany Schppl Expedition, Wales | | 14/8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Marbury Mere | Richard Crewdson Leaver Howitt | Richard Crewdson Leaver Howitt | 8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Stuart Max Walters | | 24/6/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC56 Nottinghamshire, Averham | | Richard Crewdson Leaver Howitt | 30/4/1953 11/8/1953 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC71 Isle of Man, Spaldrick Bay | David Elliston Allen | | 15/9/1952 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC17 Surrey, Putney Heath | Charles Avery | Charles Avery | 12/4/1941 | SLBI |
| Salix viminalis x caprea = S. x smithiana | IE, VCH21 Co. Dublin, Balbriggan | M O'Leary | | 19/8/1934 | DBN |