| Brassica | GB, VC69 Westmorland, Barrow in Furness | William Harrison Pearsall | Botanical Exchange Club of The British Isles Charles Bailey | 27/8/1913 | SLBI |
| Cardamine flexuosa | GB, VC14 East Sussex, Eridge | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 22/7/1933 | SLBI |
| Cardamine impatiens | GB, VC16 West Kent, Leigh | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 7/6/1932 | SLBI |
+ | Carex flava | GB, VC69 Westmorland, Haverthwaite | William Harrison Pearsall | | 12/7/1913 | MANCH |
| Carex leporina | GB, VC69 Westmorland, Harlock Reservoir | William Harrison Pearsall | Watson Botanical Exchange Club | 24/6/1922 | SLBI |
| Carex paniculata | GB, VC69 Westmorland, Roudsea Wood | William Harrison Pearsall | Botanical Exchange Club of The British Isles Frederick Janson Hanbury William Harrison Pearsall | 2/8/1913 | BM |
| Carex paniculata | GB, VC69 Westmorland, Roudsea Wood | William Harrison Pearsall | Botanical Exchange Club of The British Isles William Harold Pearsall | 2/8/1913 | BM |
| Carex remota | GB, VC69 Westmorland, Low Wood | William Harrison Pearsall | Botanical Exchange Club of The British Isles | 29/6/1923 | SLBI |
| Crepis biennis | GB, VC16 West Kent, Matfield | William Harrison Pearsall | Botanical Exchange Club of The British Isles | 1/7/1932 | SLBI |
| Cymbalaria muralis | GB, VC16 West Kent, Matfield | William Harrison Pearsall | Botanical Exchange Club of The British Isles | 12/8/1932 | SLBI |
| Erodium lebelii | GB, VC4 North Devon, Braunton Burrows | Herbert Stanley Redgrove William Harrison Pearsall | | 18/8/1934 | SLBI |
| Euphrasia nemorosa | GB, VC69 Westmorland, Hawkshead | William Harrison Pearsall | Botanical Exchange Club of The British Isles Job Edward Lousley | 13/8/1926 | SLBI |
| Fumaria purpurea | GB, VC70 Cumberland, Elf Hall | William Harrison Pearsall | Watson Botanical Exchange Club Job Edward Lousley | 7/9/1926 | SLBI |
| Fumaria purpurea var. brevisepala | GB, VC70 Cumberland, Elf Hall | William Harrison Pearsall | Watson Botanical Exchange Club | 7/9/1926 | SLBI |
| Fumaria purpurea var. brevisepala | GB, VC70 Cumberland, Hall Thwaites | William Harrison Pearsall | Watson Botanical Exchange Club | 15/9/1926 | SLBI |
| Juncus subnodulosus | GB, VC69 Westmorland, Roose | William Harrison Pearsall | Harold Stuart Thompson Arthur Bennett | 14/9/1913 | BIRM |
| Juncus tenuis | GB, VC70 Cumberland, Lady Hall | William Harrison Pearsall | Watson Botanical Exchange Club Harold Stuart Thompson | 7/10/1924 to 30/8/1929 | SLBI |
| Limonium binervosum | GB, VC70 Cumberland, Frith Hall | William Harrison Pearsall | Richard Barker Ullman | 25/8/1916 | SLBI |
| Najas flexilis | GB, VC69 Westmorland, Esthwaite Water | William Harrison Pearsall | Henry & James Groves | 7/1914 | SLBI |
| Potamogeton alpinus | GB, VC69 Westmorland, Blelham Tarn | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles Charles Bailey William Harrison Pearsall | 4/8/1915 | MANCH |
| Potamogeton berchtoldii | GB, VC69 Westmorland, Coniston Lake | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles | 27/9/1919 | MANCH |
| Potamogeton berchtoldii | GB, VC69 Westmorland, Coniston Lake | William Harrison Pearsall | | 3/10/1919 | MANCH |
| Potamogeton berchtoldii | GB, VC69 Westmorland, Dalton in Furness | William Harrison Pearsall | Watson Botanical Exchange Club Arthur Bennett Job Edward Lousley | 9/1919 | SLBI |
| Potamogeton berchtoldii | GB, VC70 Cumberland, Crummock Water | William Harrison Pearsall | Watson Botanical Exchange Club Harold Stuart Thompson | 8/9/1919 | BIRM |
| Potamogeton obtusifolius | GB, VC69 Westmorland, Blelham Tarn | William Harrison Pearsall | Arthur Bennett Harold Stuart Thompson | 8/1915 | BIRM |
| Potamogeton perfoliatus | GB, VC69 Westmorland, Coniston Lake | William Harrison Pearsall | Watson Botanical Exchange Club | 10/9/1921 | SLBI |
| Ranunculus sardous | GB, VC14 East Sussex, Great Danegate | William Harrison Pearsall | Botanical Exchange Club of The British Isles Job Edward Lousley | 23/8/1932 | SLBI |
| Salix aurita | GB, VC69 Westmorland, Dalton in Furness | William Harrison Pearsall | Watson Botanical Exchange Club | 24/4/1923 10/8/1923 | SLBI |
| Salix aurita | GB, VC69 Westmorland, Ireleth | William Harrison Pearsall | Watson Botanical Exchange Club | 24/4/1923 10/8/1923 | SLBI |
| Salix purpurea | GB, VC69 Westmorland, Ulverston | William Harrison Pearsall | Watson Botanical Exchange Club William Harold Pearsall | 24/4/1923 15/9/1923 | SLBI |
| Sparganium angustifolium | GB, Lancashire, Higher Scarth Tarn | William Harrison Pearsall | Watson Botanical Exchange Club William Robert Sherrin | 9/1913 | SLBI |
| Veronica filiformis | GB, Sussex | William Harrison Pearsall | | 22/6/1932 | K |
| Viola | GB, VC70 Cumberland, Hallthwaites | William Harrison Pearsall | Watson Botanical Exchange Club | 3/9/1926 | SLBI |
| Viola arvensis | GB, VC70 Cumberland, Hallthwaites | William Harrison Pearsall | Watson Botanical Exchange Club Job Edward Lousley | 3/6/1926 | SLBI |
+ | Viola tricolor | GB, VC70 Cumberland, Elf Hall | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles James Alfred Wheldon | 28/9/1926 | MANCH |
| Viola tricolor subsp. saxatilis | GB, VC70 Cumberland, Duddon Hall | William Harrison Pearsall | | 1/10/1926 | SLBI |