| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Howson | John Stevens Henslow | 8/1833 | 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 |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/9/1831 | 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 | 7/4/1842 9/7/1842 | 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 |
| Mentha aquatica x spicata = M. x piperita var. crispa | GB, VC68 North Northumberland, Langleeford | Charles Cardale Babington | George Johnston John Stevens Henslow | 10/9/1834 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC83 Midlothian, Roslin | John Hutton Balfour | John Stevens Henslow | 9/1835 | CGE |
| Carex muricata | GB, Devon, Devonshire | John Stevens Henslow | | | E |
| Damasonium alisma | GB, VC17 Surrey, Putney Heath | John Ball | John Hutton Balfour John Stevens Henslow | | E |
| Damasonium alisma | GB, VC17 Surrey, Putney Heath | John Stevens Henslow | | 1827 | E |
| Carex pseudocyperus | GB, VC29 Cambridgeshire, Fulbourn | | John Ball John Stevens Henslow | | E |
| Carex paniculata | GB, VC29 Cambridgeshire, Fulbourn | | John Ball John Stevens Henslow | | E |
| Carex lasiocarpa | GB, VC29 Cambridgeshire, Swaffham | John Stevens Henslow | | 26/5/1834 | E |
| Carex lasiocarpa | GB, VC29 Cambridgeshire, Swaffham | John Stevens Henslow | | 26/5/1834 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Anglesey | John Stevens Henslow | John Stevens Henslow | 1826 | E |
| Carex canescens | GB, VC58,VC59, Warrington | | John Ball John Stevens Henslow | | E |
| 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 |
| Bupleurum tenuissimum | GB, Kent, Strood | John Stevens Henslow | Beatrice Frederica Lovibond Leicester Darwall | 7/9/1825 | K |
| Cuscuta epithymum | GB, VC22 Berkshire, Carleigh | J Downes John Stevens Henslow | | 4/8/1830 | K |
| Verbascum pulverulentum | GB, VC26 West Suffolk, Bury Saint Edmunds | | Botanical Society of Edinburgh John Stevens Henslow | 7/1841 | K |
| Verbascum pulverulentum | GB, VC26 West Suffolk, Bury Saint Edmunds | John Stevens Henslow | George Lloyd William Groves Perry Botanical Society of Edinburgh | 7/1841 | K |
| Clinopodium ascendens | GB, VC29 Cambridgeshire, Burwell | John Stevens Henslow | William Jackson Hooker | 23/8/1822 | K |
| Mentha arvensis | GB, VC29 Cambridgeshire, Cherry Hinton | John Stevens Henslow | William Jackson Hooker | 27/7/1824 | K |
| Tephroseris integrifolia | GB, VC29 Cambridgeshire, Gog Magog | John Stevens Henslow | Richard Chandler Alexander Prior | 5/1836 | K |
| Tephroseris integrifolia | GB, VC29 Cambridgeshire, Gog Magog | John Stevens Henslow | | 24/5/1834 | K |
| Tephroseris integrifolia | GB, VC29 Cambridgeshire, Gog Magog Hills | John Stevens Henslow | | | K |
| Veronica spicata | GB, VC29 Cambridgeshire, Newmarket Heath | John Stevens Henslow | William Jackson Hooker | 28/7/1823 | K |
| Astragalus danicus | GB, VC81 Berwickshire | George Johnston | John Stevens Henslow Leicester Darwall Beatrice Frederica Lovibond | 1831 | K |
+ | Bupleurum baldense | GB, VC3 South Devon, Torquay | Amelia Elizabeth Griffiths John Stevens Henslow | Warrington Museum William Wilson | 7/1852 | MANCH |
+ | Eryngium campestre | GB, Devon, Devonshire | John Stevens Henslow | | | MANCH |
+ | Vicia lutea | GB, VC9 Dorset, Weymouth | John Stevens Henslow | Warrington Museum William Wilson | | MANCH |
+ | Ajuga chamaepitys | GB, VC15 East Kent, Chatham | John Stevens Henslow | Warrington Museum William Wilson | 15/7/1826 | MANCH |
+ | Silene conica | GB, VC15 East Kent, Deal | John Stevens Henslow | Warrington Museum William Wilson | 29/7/1826 | MANCH |
+ | Dianthus armeria | GB, VC15 East Kent, Rochester | John Stevens Henslow | Warrington Museum William Wilson | 30/7/1827 | MANCH |
+ | Bupleurum tenuissimum | GB, VC15 East Kent, Strood | John Stevens Henslow | Warrington Museum William Wilson | 7/9/1825 | MANCH |
+ | Ajuga chamaepitys | GB, VC15 East Kent, Sutton | John Stevens Henslow | Warrington Museum William Wilson | 5/8/1825 | MANCH |
+ | Althaea hirsuta | GB, VC16 West Kent, Cuxton | | A J Mary Gray Samuel Octavus Gray John Stevens Henslow | 11/7/1827 | MANCH |