| Carum carvi | GB, VC1 West Cornwall, Falmouth Docks | Frederick Hamilton Davey | Watson Botanical Exchange Club | 21/5/1904 | SLBI |
| Fumaria reuteri | GB, VC1 West Cornwall, Gilley Tresamble, Perran-ar-worthal | Frederick Hamilton Davey | Watson Botanical Exchange Club Chambre Corker Vigurs Frederick Hamilton Davey | 8/10/1904 | ABS |
| Ranunculus baudotii | GB, VC1 West Cornwall, Grade | Job Edward Lousley | Watson Botanical Exchange Club Job Edward Lousley | 30/5/1929 | SLBI |
| Cytisus scoparius | GB, VC1 West Cornwall, Gue Graze | Job Edward Lousley | Watson Botanical Exchange Club | 1/6/1929 | SLBI |
| Fumaria bastardii | GB, VC1 West Cornwall, Helston | Job Edward Lousley | Watson Botanical Exchange Club | 27/5/1929 | SLBI |
| Inula helenium | GB, VC1 West Cornwall, Kennack Sands | Allan Octavian Hume | Watson Botanical Exchange Club Job Edward Lousley | 30/7/1902 | SLBI |
| Anthyllis vulneraria var. coccinea | GB, VC1 West Cornwall, Kynance | Job Edward Lousley | Watson Botanical Exchange Club | 25/5/1929 | SLBI |
| Ranunculus omiophyllus x tripartitus = R. x novae-forestae | GB, VC1 West Cornwall, Kynance Cove | Job Edward Lousley | Watson Botanical Exchange Club | 24/5/1929 | SLBI |
| Kickxia spuria | GB, VC1 West Cornwall, Lizard | William Booth Waterfall | Isaac A Helsby Watson Botanical Exchange Club | 6/1874 | SLBI |
| Anthyllis vulneraria var. coccinea | GB, VC1 West Cornwall, Lizard | Job Edward Lousley | Watson Botanical Exchange Club | 24/5/1928 | SLBI |
| Artemisia stelleriana | GB, VC1 West Cornwall, Marazion | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey | 15/9/1906 | SLBI |
| Ranunculus baudotii | GB, VC1 West Cornwall, Mullion | Job Edward Lousley | Watson Botanical Exchange Club | 23/5/1929 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC1 West Cornwall, Perranarworthal | Frederick Hamilton Davey | Watson Botanical Exchange Club Charles Edward Britton Frederick Hamilton Davey | 16/8/1911 | K |
| Carex arenaria | GB, VC1 West Cornwall, Perranporth | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey William Charles Barton | 2/6/1911 | BM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey | 19/9/1902 | CGE |
| Barbarea verna | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Watson Botanical Exchange Club | 4/5/1903 | SLBI |
| Geranium phaeum | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey | 26/5/1903 | SLBI |
| Anemone nemorosa | GB, VC1 West Cornwall, Ponsanooth | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 7/5/1931 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Porkellis | Frederick Hamilton Davey | Watson Botanical Exchange Club Albert John Crosfield | 9/9/1907 | CGE |
| Leontodon autumnalis | GB, VC1 West Cornwall, Ruan Pool | Iolo Aneurin Williams | Watson Botanical Exchange Club | 2/9/1925 | SLBI |
| Veronica peregrina | GB, VC1 West Cornwall, Truro,Killiow | Frederick Hamilton Davey | Watson Botanical Exchange Club Albert Bruce Jackson Frederick Hamilton Davey | 4/8/1906 | K |
| Euphrasia micrantha | GB, VC2 East Cornwall, Cold Northcott, Kittow's Mooor | Joseph Edward Little | Watson Botanical Exchange Club | 28/8/1924 | SLBI |
| Euphrasia nemorosa | GB, VC2 East Cornwall, Davidstow,Tresoke | Joseph Edward Little | Watson Botanical Exchange Club | 24/8/1924 | SLBI |
| Fumaria muralis subsp. boraei | GB, VC2 East Cornwall, Fowey | W J Graham | Watson Botanical Exchange Club Douglas Montague Heath Richard Spiers Standen | 12/9/1907 | BIRM |
| Scleranthus annuus | GB, VC2 East Cornwall, Fowey | W J Graham | Watson Botanical Exchange Club Albert Bruce Jackson Richard Spiers Standen | 25/6/1908 | K |
| Oxalis corniculata | GB, VC2 East Cornwall, Par | Graham | Watson Botanical Exchange Club Richard Spiers Standen | 9/6/1908 | BIRM |
| Euphrasia anglica | GB, VC2 East Cornwall, Treneglos | Joseph Edward Little | Watson Botanical Exchange Club | 28/8/1924 to 14/9/1924 | SLBI |
| Euphrasia pseudokerneri | GB, VC2 East Cornwall, Wilsey Down | Joseph Edward Little | Watson Botanical Exchange Club | 24/8/1924 | SLBI |
| Eleocharis multicaulis | GB, VC2 East Cornwall, Wilsey Down | Joseph Edward Little | Watson Botanical Exchange Club | 12/9/1924 | SLBI |
| Salicornia dolichostachya | GB, VC3 South Devon, Axmouth | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 27/9/1933 | SLBI |
| Aster linosyris | GB, VC3 South Devon, Berry Head | Anthony Hurt Wolley Dod | Watson Botanical Exchange Club Anthony Hurt Wolley Dod | 19/8/1909 | SLBI |
| Euphrasia nemorosa | GB, VC3 South Devon, Berry Head | Rowland John Burdon | Watson Botanical Exchange Club Job Edward Lousley | 27/7/1931 | SLBI |
| Veronica persica var. kochiana | GB, VC3 South Devon, Exeter | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 4/6/1933 | K |
| Veronica persica | GB, VC3 South Devon, Pocombe | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 4/6/1933 | SLBI |
| Lobularia maritima | GB, VC3 South Devon, Stonehouse | William Booth Waterfall | Watson Botanical Exchange Club Isaac A Helsby | 7/1878 | SLBI |
| Lavatera arborea | GB, VC3 South Devon, Thurlestone | Albert John Crosfield | Watson Botanical Exchange Club Job Edward Lousley Albert John Crosfield | 18/8/1927 | SLBI |
| Lythrum portula | GB, VC4 North Devon, Badgworthy Valley | William Charles Barton | Watson Botanical Exchange Club William Charles Barton | 22/8/1917 | SLBI |
| Fumaria boraei | GB, VC4 North Devon, Brendon | William Charles Barton | Watson Botanical Exchange Club William Charles Barton | 13/8/1917 | SLBI |
| Plantago coronopus var. pygmaea | GB, VC4 North Devon, Bull Point | David Guthrie Catcheside | Watson Botanical Exchange Club David Guthrie Catcheside | 12/8/1924 | SLBI |
| Plantago lanceolata var. sphaerostachya | GB, VC4 North Devon, Countisbury | William Charles Barton | Watson Botanical Exchange Club | 12/8/1917 | SLBI |