| Barbarea vulgaris var. arcuata | GB, VC20 Hertfordshire, Hitchin | | Watson Botanical Exchange Club Harold Stuart Thompson Joseph Edward Little | | BIRM |
| Platanus occidentalis | MC | J L Luddington | Joseph Edward Little | | SLBI |
| Platanus orientalis | GB, VC17 Surrey, Kew Gardens | C Norman | Joseph Edward Little | | SLBI |
| Veronica agrestis | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC29 Cambridgeshire, Coldham | Joseph Edward Little | | 8/1878 | CGE |
| Mentha spicata x suaveolens = M. x villosa | GB, VC29 Cambridgeshire, Littleport | Joseph Edward Little | | 1/9/1878 | CGE |
| Erophila verna var. praecox | GB, VC20 Hertfordshire, Saint Ippolyts | Joseph Edward Little | Watson Botanical Exchange Club William Robert Sherrin | 13/4/1895 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC99 Dunbartonshire, Shandon | Charles Bailey | Joseph Edward Little | 1/10/1897 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Newquay | Joseph Edward Little | | 1903 | CGE |
| Tulipa sylvestris | GB, VC20 Hertfordshire, Hitchin Cultivated GB, VC26 West Suffolk, Stansfield | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little William Robert Sherrin | 1910 to 1912 | SLBI |
| Teesdalia nudicaulis | GB, VC30 Bedfordshire, Potton | Joseph Edward Little | Joseph Edward Little | 6/5/1911 | SLBI |
| Rubus idaeus | GB, VC20 Hertfordshire, Codicote | Joseph Edward Little | Joseph Edward Little William Robert Sherrin | 22/5/1911 | SLBI |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Charles Bailey | 10/6/1911 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Joseph Edward Little William Charles Barton | 10/6/1911 | BM |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Hayward | 10/6/1911 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | William Hodge | 10/6/1911 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Joseph Edward Little | 10/6/1911 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Joseph Edward Little | 10/6/1911 | BM |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Charles Edgar Salmon | 10/6/1911 | BM |
| Carex remota | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Botanical Exchange Club of The British Isles Frederick Janson Hanbury Joseph Edward Little | 10/6/1911 | BM |
| Carex remota x vulpina = C. axilaris | GB, VC26 West Suffolk, Rede | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little William Robert Sherrin | 10/6/1911 | SLBI |
+ | Galium tricornutum | GB, VC20 Hertfordshire, Hitchin,Langley | Joseph Edward Little | Warrington Museum William Wilson | 13/6/1911 | MANCH |
+ | Arnoseris minima | GB, VC29 Cambridgeshire | Joseph Edward Little | Charles Bailey | 17/6/1911 | MANCH |
+ | Bromus secalinus | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Botanical Exchange Club of The British Isles Charles Bailey | 7/1911 | MANCH |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC69 Westmorland, Tilberthwaite | J Comber | Joseph Edward Little | 8/1911 | CGE |
| Mentha spicata x suaveolens = M. x villosa | GB, VC24 Buckinghamshire, Kimble | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Joseph Edward Little | 8/1911 | CGE |
| Limonium bellidifolium | GB, VC28 West Norfolk, Brancaster | Joseph Edward Little | Joseph Edward Little William Robert Sherrin | 5/10/1911 | SLBI |
| Populus balsamifera x deltoides = P. x jackii | GB, VC20 Hertfordshire, Weston Cultivated | Joseph Edward Little | George Claridge Druce Joseph Edward Little | 31/3/1912 | MANCH |
| Erophila verna var. praecox | GB, VC20 Hertfordshire, Hitchin | | Watson Botanical Exchange Club Joseph Edward Little William Robert Sherrin | 4/1912 | SLBI |
| Erophila majuscula | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Joseph Edward Little William Robert Sherrin | 6/4/1912 | SLBI |
| Erophila verna | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Joseph Edward Little William Robert Sherrin | 17/4/1912 | SLBI |
+ | Myosurus minimus | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Charles Bailey | 5/1912 | MANCH |
+ | Myosurus minimus | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | George Claridge Druce Mary Hayward | 5/1912 | MANCH |
+ | Myosurus minimus | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | George Claridge Druce Mary Hayward | 5/1912 | MANCH |
| Carex vulpina | GB, VC29 Cambridgeshire, Wimpole | Robert Stephen Adamson | Botanical Exchange Club of The British Isles Charles Edgar Salmon Joseph Edward Little Robert Stephen Adamson | 17/5/1912 | BM |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC19 North Essex, Nazeing | Joseph Edward Little | Watson Botanical Exchange Club William Charles Barton Joseph Edward Little | 28/5/1912 | BM |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC19 North Essex, Nazeing | Joseph Edward Little | | 28/5/1912 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC19 North Essex, Nazeing | Joseph Edward Little | | 28/5/1912 | MANCH |
| Galium uliginosum | GB, VC20 Hertfordshire, Oughtonhead Common | Joseph Edward Little | Patrick Martin Hall Richard Barker Ullman Botanical Exchange Club of The British Isles | 6/1912 to 8/1912 | SLBI |
+ | Minuartia hybrida | GB, VC20 Hertfordshire, Hitchin | J E L | Watson Botanical Exchange Club Anthony Hurt Wolley Dod Joseph Edward Little | 8/6/1912 | MANCH |