+ | Althaea hirsuta | GB, VC16 West Kent, Cuxton | John Stevens Henslow | John Bland Wood John Stevens Henslow | 11/7/1827 | MANCH |
+ | Astragalus danicus | GB, VC29 Cambridgeshire, Gog Magog Hills | John Stevens Henslow | William Wilson | 24/5/1826 | MANCH |
| Carex dioica | GB, VC88 Mid Perthshire, Breadalbane Mountains | William Wilson | John Stevens Henslow | 27/7/1827 | BIRM |
| Clematis vitalba | GB, VC29 Cambridgeshire, Cherry Hinton | John Stevens Henslow | William Wilson | 19/8/1826 | MANCH |
| Helleborus foetidus | GB, VC29 Cambridgeshire, Cherry Hinton | John Stevens Henslow | William Wilson | 7/3/1826 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC29 Cambridgeshire, Coton | John Stevens Henslow | William Wilson | 13/3/1826 to 31/3/1826 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC59 South Lancashire, Warrington | William Wilson | John Stevens Henslow | 9/1825 to 9/1826 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC59 South Lancashire, Warrington | William Wilson | John Stevens Henslow | 8/1824 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC58 Cheshire, Newchurch | William Wilson | John Stevens Henslow | 11/1826 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Warrington | William Wilson | John Stevens Henslow | 8/1824 | CGE |
+ | Pulsatilla vulgaris | GB, VC29 Cambridgeshire, Gog Magog Hills | John Stevens Henslow | William Wilson | 28/4/1830 | MANCH |
+ | Vicia bithynica | GB, Kent, Kent,Frindsbury | John Stevens Henslow | William Wilson | 26/6/1827 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC40 Shropshire | Bell Edward Williams | John Stevens Henslow | | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/9/1831 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC65 North-west Yorkshire, Easby | James Ward | John Stevens Henslow | 4/5/1842 16/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 25/3/1842 9/4/1842 22/4/1842 21/6/1842 9/7/1842 23/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/4/1842 27/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 11/5/1842 to 8/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 7/4/1842 9/7/1842 | CGE |
| Atriplex littoralis | GB, VC28 West Norfolk, Brancaster | | Frederick Townsend John Stevens Henslow | 29/8/1835 | SLBI |
| Hammarbya paludosa | GB, VC29 Cambridgeshire, Gamlingay | John Stevens Henslow | Allan Octavian Hume Frederick Townsend Churchill Babington | | SLBI |
| Primula elatior | GB, Suffolk | John Stevens Henslow | Allan Octavian Hume Frederick Townsend | 5/1845 | SLBI |
| Althaea hirsuta | GB, VC16 West Kent, Cobham | John Stevens Henslow William Strong Hore | John Ralfs | 7/1827 | SLBI |
| Pulsatilla vulgaris | GB, VC29 Cambridgeshire, Cambridge | John Stevens Henslow William Strong Hore | John Ralfs | 1838 | SLBI |
| Agrostis capillaris | GB, VC38 Warwickshire, Coleshill Pool | William Thomas Bree | John Stevens Henslow | 7/1832 | BIRM |
| Mentha aquatica x spicata = M. x piperita var. officinalis | GB, VC19 North Essex, Great Leighs | William Peete | John Stevens Henslow | 4/9/1828 | CGE |
| Lemna gibba | GB, VC22 Berkshire, Cholsey | John Stevens Henslow | Mantua And Montferrat | 7/1835 | BON |
| Melica uniflora | GB, VC22 Berkshire, Cholsey | John Stevens Henslow | Mantua And Montferrat | 2/7/1835 | BON |
| Verbascum pulverulentum | GB, VC26 West Suffolk, Bury Saint Edmunds | John Stevens Henslow | George Lloyd William Groves Perry Botanical Society of Edinburgh | 7/1841 | K |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC27 East Norfolk, Cley | William Whitear | John Stevens Henslow William Allport Leighton | 30/6/1834 | MANCH |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | John Stevens Henslow | 7/5/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | John Stevens Henslow | 19/3/1842 19/7/1842 | CGE |
| Astragalus danicus | GB, VC81 Berwickshire | George Johnston | John Stevens Henslow Leicester Darwall Beatrice Frederica Lovibond | 1831 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Howson | John Stevens Henslow | 8/1833 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Howson | John Stevens Henslow | 8/1833 | CGE |
| Helictotrichon planiculmis | GB, VC100 Clyde Islands, Arran Cultivated | J Hooker | John Stevens Henslow | | BIRM |
| Salix arbuscula | GB, VC98 Argyllshire, Ben Cruachan | J Hooker | John Stevens Henslow | | BIRM |
| Poa alpina | GB, VC49 Caernarvonshire, Snowdon | E Holmes | John Stevens Henslow | 7/1832 | BIRM |
| Bupleurum tenuissimum | GB, VC15 East Kent, Rainham | John Stevens Henslow | | | K |
| Bupleurum tenuissimum | GB, Kent, Strood | John Stevens Henslow | William Jackson Hooker | 1/9/1825 | K |