| Salix aurita x repens x herbacea = S. x grahamii | Cultivated | Leicester Darwall William Borrer | Charles Bailey | 26/8/1876 | MANCH |
| Salix pentandra x fragilis = S. x meyeriana | GB | | Charles Bailey William Borrer | 13/5/1870 | MANCH |
| Salix cinerea x phylicifolia = S. x laurina | | William Borrer | Charles Bailey | 19/5/1869 25/9/1869 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | Cultivated | William Borrer | L T | 1858 | MANCH |
| Centaurea aspera | GB, VC113 Channel Islands, Guernsey | William Borrer | Allan Octavian Hume Frederick Townsend | 1851 | SLBI |
| Zostera marina | GB, VC100 Clyde Islands, Lamlash | William Borrer | Allan Octavian Hume Frederick Townsend | 9/1850 | SLBI |
| Quercus robur | GB, VC19 North Essex, Walton on the Naze | William Borrer | Frederick Townsend Joseph Woods | 3/8/1849 | SLBI |
| Teucrium botrys | GB, VC17 Surrey, Brockham | William Borrer | William Arnold Bromfield William Jackson Hooker | 8/1849 | K |
| Zostera marina | GB, VC11,VC13, Emsworth | William Borrer | Frederick Townsend Joseph Woods | 15/9/1847 | SLBI |
| Cyperus fuscus | GB, VC17 Surrey, Shalford | William Borrer | Frederick Townsend | 9/1847 | SLBI |
| Zostera noltei | GB, VC9 Dorset, Poole Harbour | William Borrer | Allan Octavian Hume Frederick Townsend Joseph Woods | 8/1847 | SLBI |
| Teucrium chamaedrys | GB, VC41 Glamorganshire, Cornelly | William Borrer | William Jackson Hooker | 28/9/1846 | K |
| Carex nigra | GB, VC17 Surrey, Esher | Hewett Cottrell Watson | Allan Octavian Hume Frederick Townsend Joseph Woods William Borrer | 7/1846 | SLBI |
| Herminium monorchis | GB, VC17 Surrey, Box Hill | William Borrer | William Jackson Hooker | 7/1846 | K |
| Lonicera xylosteum | GB, VC13 West Sussex, Amberley | William Borrer | Allan Octavian Hume Frederick Townsend | 7/1846 | SLBI |
| Oenanthe pimpinelloides | GB, VC13 West Sussex, Amberley | William Borrer | Frederick Townsend | 7/1846 | SLBI |
| Vaccinium macrocarpon | GB, VC51 Flintshire, Mold | William Borrer | Allan Octavian Hume Frederick Townsend | 1846 | SLBI |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC13 West Sussex, Pulborough | William Borrer | Edward Forster | 8/1845 | BM |
| Ammi majus | GB, VC13 West Sussex, Portslade | William Borrer | Allan Octavian Hume Frederick Townsend | 1845 | SLBI |
| Daucus grandiflorus | GB, VC13 West Sussex, Portslade | William Borrer | Allan Octavian Hume Frederick Townsend Joseph Woods | 1845 | SLBI |
| Cuscuta epithymum | GB, VC13 West Sussex, Henfield | William Borrer | Allan Octavian Hume Frederick Townsend | 7/1844 9/1844 | SLBI |
| Lysimachia ciliata | GB, VC70 Cumberland, Sebergham | | Allan Octavian Hume Frederick Townsend William Borrer | 23/6/1844 | SLBI |
| Carex elongata | GB, VC16 West Kent, Tonbridge | William Borrer | Edward Forster | 5/1844 | BM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC13 West Sussex, Henfield | William Borrer | | 1844 | CGE |
| Thlaspi perfoliatum | GB, VC34 West Gloucestershire, Purton | William Borrer | Augustin Ley William Webb Spicer | 1844 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Woking | William Borrer | Charles Cardale Babington | 8/1842 | CGE |
| Mentha gentilis var. gracilis | GB, VC19 North Essex, Audley End | William Borrer | William Arnold Bromfield William Jackson Hooker | 8/1840 | K |
+ | Gnaphalium luteoalbum | GB, VC13 West Sussex, Henfield | William Borrer | James Cosmo Melvill William Borrer | 1840 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC19 North Essex, Audley End | William Borrer | | 1840 | CGE |
| Fallopia dumetorum | GB, VC17 Surrey, Wimbledon | William Borrer | Frederick Townsend Joseph Woods | 1836 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC13 West Sussex, Saint Leonard's Forest | William Borrer | | 1836 | CGE |
+ | Potentilla rupestris | GB, VC47 Montgomeryshire, Breidden Hills | William Borrer | Charles Bailey John Wilson Rimington | 6/1834 | MANCH |
| Corrigiola litoralis | GB, VC3 South Devon, Slapton Sands | Sophia Elizabeth Gray | Croydon Natural History and Scientific Society John Joseph Bennett Robert Russell Hutchinson William Borrer | 1833 | SLBI |
| Salix purpurea x repens = S. x doniana | | William Borrer | Allan Octavian Hume Frederick Townsend | 4/5/1830 | SLBI |
| Salix purpurea subsp. lambertiana | | | Frederick Townsend William Borrer | 6/4/1830 | SLBI |
+ | Silene otites | GB, VC26 West Suffolk, Mildenhall | Hooker John Stevens Henslow William Borrer | Warrington Museum William Wilson | 3/6/1829 | MANCH |
| Salix fragilis x alba = S. x rubens | GB, VC13 West Sussex, Henfield | William Borrer | John Lindley | 1826 | CGE |
| Carex appropinquata | IE, VCH23 Westmeath | David Moore | Edward Forster William Borrer | 1823 | BM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC13 West Sussex, Cowfold | William Borrer | Dawson Turner William Jackson Hooker | 1814 | K |
| Mentha aquatica | GB, VC13 West Sussex, Cowfold | William Borrer | Dawson Turner | 1812 | K |