| Mentha aquatica x spicata = M. x piperita var. crispa | GB, VC68 North Northumberland, Cheviot Hills | Charles Cardale Babington | Beatrice Frederica Lovibond Leicester Darwall | 10/9/1834 | K |
| Salix aurita x myrsinifolia = S. x coriacea | GB, VC17 Surrey, Kew Cultivated | | Charles Bailey Edward Francis Linton Leicester Darwall | 7/5/1868 31/8/1871 | MANCH |
| Salix aurita x myrsinifolia = S. x coriacea | GB, VC17 Surrey, Kew | Leicester Darwall | Charles Bailey | 7/5/1868 to 31/8/1871 | MANCH |
| Salix aurita x myrsinifolia = S. x coriacea | GB, VC30 Bedfordshire, Woburn | Leicester Darwall | Charles Bailey John Hardy John Ewbank Leefe | 24/3/1868 to 4/4/1868 13/8/1868 | MANCH |
| Salix aurita x myrsinifolia = S. x coriacea | GB, VC30 Bedfordshire, Woburn Cultivated | John Ewbank Leefe | Charles Bailey Leicester Darwall | 24/3/1868 4/4/1868 13/8/1868 | MANCH |
| Salix aurita x myrsinifolia = S. x coriacea | GB, VC30 Bedfordshire, Woburn | Leicester Darwall | Charles Bailey John Ewbank Leefe James Ward | 24/3/1868 to 4/4/1868 13/8/1868 | MANCH |
| Salix aurita x myrsinifolia = S. x coriacea | | Leicester Darwall | Charles Bailey | 24/3/1868 to 13/8/1868 13/8/1868 | MANCH |
| Salix aurita x repens x herbacea = S. x grahamii | GB Cultivated | Leicester Darwall | Charles Bailey Leicester Darwall | 11/7/1867 to 13/6/1868 | MANCH |
| Salix aurita x repens x herbacea = S. x grahamii | GB, Scotland Cultivated | Leicester Darwall | Charles Bailey | 11/7/1867 13/6/1868 | MANCH |
| Salix caprea x myrsinifolia = S. x latifolia | GB, VC30 Bedfordshire, Woburn | Leicester Darwall | Charles Bailey | 19/5/1869 21/8/1869 | MANCH |
| Salix caprea x myrsinifolia = S. x latifolia | GB, VC30 Bedfordshire, Woburn Cultivated | John Ewbank Leefe Leicester Darwall | Charles Bailey John Hardy | 19/5/1869 21/8/1869 | MANCH |
| Salix caprea x myrsinifolia = S. x latifolia | GB, VC30 Bedfordshire, Woburn | Leicester Darwall | Charles Bailey John Ewbank Leefe | 19/5/1869 21/8/1869 | MANCH |
| Salix x mollissima var. hippophaefolia | | Leicester Darwall | Charles Bailey | 24/4/1869 14/5/1869 21/8/1869 | MANCH |
| Habenaria viride | GB, VC55 Leicestershire, Castle Donington | Blunt | Leicester Darwall | 6/1832 | K |
| Teucrium scordium | GB, VC29 Cambridgeshire, Cambridge GB, VC29 Cambridgeshire, Impington | Blunt | Beatrice Frederica Lovibond Leicester Darwall | 10/1832 | K |
| Mentha suaveolens | GB, VC10 Isle of Wight, Bonchurch | Robert Blunt | Leicester Darwall Beatrice Frederica Lovibond | 5/9/1832 | K |
| Salix aurita x repens x herbacea = S. x grahamii | Cultivated | Leicester Darwall William Borrer | Charles Bailey | 26/8/1876 | MANCH |
| Teucrium scorodonia | GB, VC39 Staffordshire, Walsall | | Leicester Darwall | 4/9/1830 | K |
| Scrophularia vernalis | GB, VC40 Shropshire, Oswestry | John Freeman Milward Dovaston | Leicester Darwall Beatrice Frederica Lovibond | | K |
| Melittis melissophyllum | GB, Cornwall | Fox | John Howson Leicester Darwall | 1832 | K |
| Bupleurum tenuissimum | GB, Kent, Strood | John Stevens Henslow | Beatrice Frederica Lovibond Leicester Darwall | 7/9/1825 | K |
| Habenaria albida | GB, VC64 Mid-west Yorkshire, Craven | Leicester Darwall | John Howson | 1833 | K |
| Mentha aquatica x spicata = M. x piperita var. crispa | GB, VC64 Mid-west Yorkshire, Giggleswick | John Howson | Leicester Darwall Beatrice Frederica Lovibond | 9/1834 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC64 Mid-west Yorkshire, Giggleswick | John Howson | Leicester Darwall Beatrice Frederica Lovibond | 9/1831 | K |
| Mentha arvensis | GB, VC69 Westmorland, Kirkby Lonsdale | John Howson | Leicester Darwall Beatrice Frederica Lovibond | 1834 | K |
| Scrophularia auriculata | GB, VC63,VC64, Gargrave GB, VC64 Mid-west Yorkshire, Skipton | John Howson | Beatrice Frederica Lovibond Leicester Darwall | | K |
| Astragalus danicus | GB, VC81 Berwickshire | George Johnston | John Stevens Henslow Leicester Darwall Beatrice Frederica Lovibond | 1831 | K |
| Salix lanata | | Scaling Leicester Darwall | John Ewbank Leefe | | SLBI |
| Salix triandra x viminalis = S. x mollissima | | John Ewbank Leefe | John Ewbank Leefe Leicester Darwall | 14/5/1867 24/4/1869 21/8/1869 | CGE |
| Aceras anthropophorum | GB, VC57 Derbyshire, Matlock | | Beatrice Frederica Lovibond Leicester Darwall | 14/4/1830 | K |
| Antirrhinum majus | GB, VC13 West Sussex, Goring by Sea | Leicester Darwall | Beatrice Frederica Lovibond | 27/5/1831 | K |
| Astragalus danicus | GB, VC55 Leicestershire, Lyndon | Leicester Darwall | Beatrice Frederica Lovibond | 1835 | K |
| Baldellia ranunculoides | GB, VC39 Staffordshire, Walsall | Leicester Darwall | Beatrice Frederica Lovibond | 9/1830 | K |
| Cymbalaria muralis | GB, VC39 Staffordshire, Dudley Castle | Leicester Darwall | Beatrice Frederica Lovibond | 21/8/1830 | K |
| Dactylis glomerata | | Leicester Darwall | Beatrice Frederica Lovibond Leicester Darwall | | K |
| Dianthus deltoides | GB, VC27 East Norfolk, Wiveton Downs | Leicester Darwall | Beatrice Frederica Lovibond | 7/1837 to 8/1837 | K |
| Digitalis purpurea | GB, VC39 Staffordshire, Walsall | Leicester Darwall | Beatrice Frederica Lovibond | 7/8/1832 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Cambridge | Leicester Darwall | Beatrice Frederica Lovibond | 7/1834 | K |
| Glebionis segetum | GB, VC50 Denbighshire, Cernioge GB, VC50 Denbighshire, Llanrwst | Leicester Darwall | Beatrice Frederica Lovibond | 19/6/1835 | K |
| Glechoma hederacea | GB, VC39 Staffordshire, Wallsall | Leicester Darwall | Beatrice Frederica Lovibond | 5/1830 | K |