+ | Mentha aquatica x suaveolens = M. x suavis | GB, VC1 West Cornwall, Saint Columb Minor | Spencer Henry Bickham | Watson Botanical Exchange Club Charles Bailey | 21/8/1908 | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha x maximilianea | GB, VC1 West Cornwall, Saint Columb Minor GB, VC36 Herefordshire, Ledbury Cultivated | | Watson Botanical Exchange Club Albert Bruce Jackson Spencer Henry Bickham | 21/8/1908 | K |
+ | Vicia lutea | GB, VC1 West Cornwall, The Lizard | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | | MANCH |
+ | Viola lactea | GB, VC1 West Cornwall, The Lizard | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | | MANCH |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC1 West Cornwall, Tresamble, Gwennap | Frederick Hamilton Davey Spencer Henry Bickham | Spencer Henry Bickham | 1/10/1904 | CGE |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Truro, near | Hewett Cottrell Watson | Charles Bailey John Wilson Rimington Spencer Henry Bickham | | MANCH |
+ | Chenopodium urbicum | GB, VC1 West Cornwall, Wendron,Porkellis Moor | Spencer Henry Bickham | Watson Botanical Exchange Club Charles Bailey Spencer Henry Bickham | 4/10/1904 | MANCH |
+ | Physospermum cornubiense | GB, VC2 East Cornwall, Bodmin | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1840 | MANCH |
+ | Chamaemelum nobile | GB, VC2 East Cornwall, Looe | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1841 | MANCH |
| Linaria supina | GB, VC2 East Cornwall, Par Sands | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson | 23/9/1904 | BIRM |
| Linaria supina | GB, VC2 East Cornwall, Par Sands | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 23/9/1904 | K |
| Linaria supina | GB, VC2 East Cornwall, Par Sands | Spencer Henry Bickham | William Robert Sherrin | 23/9/1904 | SLBI |
| Linaria supina | GB, VC2 East Cornwall, Par Sands | Spencer Henry Bickham | Watson Botanical Exchange Club Edward Cleminshaw | 23/9/1904 | BIRM |
| Linaria supina | GB, VC2 East Cornwall, Par Sands | Spencer Henry Bickham | Watson Botanical Exchange Club Charles Edgar Salmon Spencer Henry Bickham | 23/9/1904 | ABS |
+ | Melittis melissophyllum | GB, Cornwall, Cornwall,Truro | W S Stone | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1846 | MANCH |
+ | Hypericum linariifolium | GB, VC3 South Devon | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1841 | MANCH |
| Lithospermum purpureocaeruleum | GB, VC3 South Devon, Babbacombe | Spencer Henry Bickham | Charles Bailey | 6/1899 | BIRM |
+ | Mertensia maritima | GB, VC3 South Devon, Babbacombe | | John Wilson Rimington Spencer Henry Bickham | | MANCH |
| Melittis melissophyllum | GB, VC3 South Devon, Denbury | C Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 7/6/1902 | SLBI |
| Elytrigia atherica x juncea = E. x acuta | GB, VC3 South Devon, Exmouth | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 22/9/1902 | BIRM |
| Elytrigia atherica x juncea = E. x acuta | GB, VC3 South Devon, Exmouth | Spencer Henry Bickham | Augustin Ley Spencer Henry Bickham | 22/9/1902 | BIRM |
+ | Dianthus armeria | GB, VC3 South Devon, Newton Abbott | John Wilson Rimington | John Wilson Rimington Spencer Henry Bickham | 7/1872 | MANCH |
| Anchusa officinalis | GB, VC3 South Devon, River Dart Cultivated | Spencer Henry Bickham | Spencer Henry Bickham William Robert Sherrin | 29/7/1905 | SLBI |
| Linaria supina | GB, VC3 South Devon, South Brent | William Booth Waterfall | Harold Stuart Thompson Spencer Henry Bickham | 4/8/1878 | BIRM |
| Festuca arundinacea | GB, VC3 South Devon, Starcross | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham Albert Bruce Jackson | 23/9/1902 | K |
| Geranium purpureum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 6/1898 | BIRM |
| Geranium purpureum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Charles Bailey | 6/1898 | SLBI |
| Geranium robertianum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Charles Bailey William Hunt Painter | 6/1898 | ABS |
| Geranium robertianum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson | 6/1898 | BIRM |
| Helianthemum apenninum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Charles Bailey | 5/1895 | BIRM |
| Helianthemum apenninum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Charles Bailey | 5/1895 | BIRM |
+ | Helianthemum apenninum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Charles Bailey | 5/1895 | MANCH |
+ | Helianthemum apenninum | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Charles Bailey | 5/1895 | MANCH |
| Orchis ustulata | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Dulwich College Charles Bailey | | SLBI |
+ | Orchis ustulata | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Charles Bailey | 5/1891 | MANCH |
| Orchis ustulata | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | | 5/1891 | K |
| Scilla autumnalis | GB, VC3 South Devon, Torquay | Joseph Sidebotham | Watson Botanical Exchange Club Spencer Henry Bickham | 8/1877 | SLBI |
+ | Melittis melissophyllum | GB, VC3 South Devon, Torquay,Austi's Cove | Spencer Henry Bickham | Charles Bailey | 5/1898 | MANCH |