+ | Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | | 9/1931 | BIRM |
| Thalictrum flavum | GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Job Edward Lousley Spencer Henry Bickham Botanical Exchange Club of The British Isles | 5/9/1931 | SLBI |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 9/1931 | K |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Charles Edward Britton Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 9/1931 | K |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Druce Herbarium, Oxford Spencer Henry Bickham | 9/1931 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Botanical Society & Exchange Club of The British Isles Job Edward Lousley Spencer Henry Bickham | 9/1931 | SLBI |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Botanical Exchange Club of The British Isles J Fraser Spencer Henry Bickham | 9/1931 | K |
| Mentha citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Job Edward Lousley Spencer Henry Bickham | 9/1931 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Great Bookham Common | Job Edward Lousley | Watson Botanical Exchange Club Spencer Henry Bickham | 15/9/1929 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Epsom Common | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Spencer Henry Bickham | 29/8/1929 | CGE |
| Veronica peregrina | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Botanical Society & Exchange Club of The British Isles J Fraser Spencer Henry Bickham | 6/1928 | K |
| Saxifraga tridactylites | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Botanical Exchange Club of The British Isles | 10/5/1928 | SLBI |
| Salix fragilis x alba = S. x rubens | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Joseph Edward Little Spencer Henry Bickham | 4/6/1927 16/7/1927 | CGE |
| Salix triandra x viminalis = S. x mollissima | GB, VC17 Surrey, Kew Cultivated GB, VC17 Surrey, Mortlake | J Fraser | Watson Botanical Exchange Club J Fraser Spencer Henry Bickham | 17/4/1927 15/8/1927 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Pensford | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper J Fraser Spencer Henry Bickham | 30/3/1927 to 22/6/1927 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC16 West Kent, River Medway GB, VC17 Surrey, Kew Cultivated | J Fraser | Watson Botanical Exchange Club J Fraser Spencer Henry Bickham | 14/8/1926 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy-on-Mendip | James Walter White | Spencer Henry Bickham | 24/9/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Compton Dando | James Walter White | Spencer Henry Bickham | 1/9/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Charles Edgar Salmon J Fraser Spencer Henry Bickham | 25/8/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC16 West Kent, Nettlestead Cultivated | J Fraser | Watson Botanical Exchange Club J Fraser Spencer Henry Bickham | 19/8/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club Charles Edgar Salmon Spencer Henry Bickham | 17/8/1925 | CGE |
| Salix triandra x viminalis = S. x mollissima | GB, VC17 Surrey, Mortlake | J Fraser | Watson Botanical Exchange Club J Fraser Spencer Henry Bickham | 1/5/1925 17/7/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club Spencer Henry Bickham | 5/9/1924 | CGE |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Spencer Henry Bickham | 22/5/1924 to 14/8/1924 | CGE |
| Silene armeria | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 28/6/1923 | BIRM |
| Silene armeria | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 28/6/1923 | SLBI |
| Hieracium cambricum | GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 8/6/1923 | SLBI |
| Hieracium cambricum | GB, VC49 Caernarvonshire, Great Orme's Head Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 8/6/1923 | SLBI |
| Euphorbia hyberna | GB, VC4 North Devon, Lynmouth | Spencer Henry Bickham | Watson Botanical Exchange Club Isaac A Helsby | 7/6/1923 | SLBI |
| Ranunculus paludosus | GB, VC113 Channel Islands, Saint Aubin's Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 4/6/1923 | SLBI |
| Paeonia mascula | GB, VC6 North Somerset, Steep Holm Island Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club | 22/5/1922 | SLBI |
| Draba muralis | GB, VC36 Herefordshire, Ledbury | | Watson Botanical Exchange Club Isaac A Helsby Spencer Henry Bickham | 10/5/1921 | SLBI |
| Draba muralis | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 10/5/1921 | SLBI |
| Hedera helix | GB, VC36 Herefordshire, Fownhope | Eleonora Armitage | Spencer Henry Bickham | 6/1920 | SLBI |
| Hyssopus officinalis | GB, VC11 South Hampshire, Beaulieu Abbey Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 21/7/1919 | SLBI |
| Hyssopus officinalis | GB, VC11 South Hampshire, Beaulieu Abbey | Spencer Henry Bickham | Botanical Society & Exchange Club of The British Isles Spencer Henry Bickham | 21/7/1919 | K |
| Hyssopus officinalis | GB, VC11 South Hampshire, Beaulieu Abbey GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland Spencer Henry Bickham | 21/7/1919 | K |
+ | Stachys germanica | | Charles Edgar Salmon Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 25/6/1919 | MANCH |
| Scrophularia vernalis | GB, VC49 Caernarvonshire, Llandudno, Gloddaeth Cultivated | Spencer Henry Bickham | Albert Bruce Jackson Spencer Henry Bickham | 20/6/1919 | K |
| Paeonia mascula | GB, VC6 North Somerset, Steep Holm Island | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson | 28/5/1919 | BIRM |