 | Actaea spicata | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | | 6/1880 | MANCH |
 | Arenaria serpyllifolia subsp. leptoclados | GB, VC64 Mid-west Yorkshire, Fountains Abbey | Henry Horrocks Slater | William Hunt Painter | 7/1881 | ABS |
 | Brassica napus | GB, VC69 Westmorland, Patterdale | Henry Horrocks Slater | Harold Stuart Thompson | 4/8/1880 | BIRM |
 | Carex digitata | GB, VC64 Mid-west Yorkshire, Mackershaw Wood | Henry Horrocks Slater | Charles Bailey | 6/1880 | MANCH |
 | Carex digitata | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | | 4/1880 | BON |
 | Carex elata | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | George Stephen West | 20/5/1881 | BIRM |
 | Carex elata | GB, VC64 Mid-west Yorkshire, Sharow | Henry Horrocks Slater | | 20/5/1881 | ABS |
 | Carum verticillatum | GB, VC45 Pembrokeshire, Saundersfoot | Clara Grundy | William Hunt Painter Henry Horrocks Slater | | ABS |
 | Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Stock Ghyll | Henry Horrocks Slater | William Hunt Painter | 28/7/1880 | ABS |
 | Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Stybarrow Crag | Henry Horrocks Slater | William Hunt Painter | 8/1880 | ABS |
 | Crepis paludosa | GB, VC69 Westmorland, Stock Ghyll | Henry Horrocks Slater | William Hunt Painter | 28/7/1880 | ABS |
 | Dianthus plumarius | GB, VC64 Mid-west Yorkshire, Fountains Abbey | Henry Horrocks Slater | William Hunt Painter | 7/1880 | ABS |
 | Diplotaxis muralis | GB, VC28 West Norfolk, Methwold | Henry Horrocks Slater | Hugh Neville Dixon Leslie Beeching Hall | 9/5/1898 | SLBI |
 | Doronicum plantagineum | GB, VC65 North-west Yorkshire, Masham | Henry Horrocks Slater | William Hunt Painter | 6/1880 | ABS |
 | Eleocharis uniglumis | GB, VC69 Westmorland, Ullswater | Henry Horrocks Slater | | 8/1880 | ABS |
 | Eleocharis uniglumis | GB, Ambiguous locality (GB), Ullswater | Henry Horrocks Slater | | 5/8/1880 | BON |
 | Eleogiton fluitans | GB, VC103 Mid Ebudes, Bunessan | Henry Horrocks Slater | | 6/1878 | BON |
 | Epilobium palustre | GB, VC69 Westmorland, Helvellyn, Red Tarn | Henry Horrocks Slater | William Hunt Painter | 18/8/1880 | ABS |
 | Erica tetralix | GB, VC6 North Somerset, Shapwick Moor | Henry Horrocks Slater | Harold Stuart Thompson Henry Horrocks Slater | 7/6/1911 | BIRM |
 | Erica tetralix | GB, VC70 Cumberland, Alston | Henry Horrocks Slater | Harold Stuart Thompson Henry Horrocks Slater | 12/8/1870 | BIRM |
 | Galium palustre subsp. palustre | GB, VC64 Mid-west Yorkshire, Sharow Mires | Henry Horrocks Slater | William Hunt Painter | 6/1880 | ABS |
 | Geum rivale x urbanum = G. x intermedium | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | Charles Bailey | 5/1880 | MANCH |
 | Habenaria viride | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | | 1880 | ABS |
 | Helleborus foetidus | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | Charles Bailey | 26/5/1881 | MANCH |
 | Helleborus foetidus | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | Charles Bailey Henry Horrocks Slater | 26/5/1881 | MANCH |
 | Helleborus viridis | GB, VC64,VC65, Tanfield | Henry Horrocks Slater | Henry Horrocks Slater William Hunt Painter | 27/4/1880 | ABS |
 | Hypochaeris glabra | GB, VC32 Northamptonshire, Kings Cliffe | Henry Horrocks Slater | | 2/6/1903 | BIRM |
 | Lathyrus palustris | GB, VC29 Cambridgeshire, Wicken Fen | William J Cross | Julius R Neve William Hunt Painter Henry Horrocks Slater | 8/1879 | ABS |
 | Leontodon autumnalis | GB, VC69 Westmorland, Patterdale | Henry Horrocks Slater | Henry (Harry) Searle William Hunt Painter | 8/1880 | ABS |
 | Lepidium sativum | GB, VC32 Northamptonshire, Kings Cliffe | Henry Horrocks Slater | Harold Stuart Thompson | 2/7/1903 | BIRM |
 | Linum perenne | GB, VC29 Cambridgeshire, Gog Magog Hills Cultivated | Henry Horrocks Slater | William Hunt Painter | 6/1872 | ABS |
 | Lonicera xylosteum | GB, VC32 Northamptonshire, Sibbertoft | Henry Horrocks Slater | William Hunt Painter | 1876 | ABS |
 | Luzula multiflora | GB, VC69 Westmorland, Ambleside | Henry Horrocks Slater | | 29/7/1880 | ABS |
 | Lysimachia thyrsiflora | GB, VC65 North-west Yorkshire, Leckby Carr | Henry Horrocks Slater | William Hunt Painter | 1/7/1881 | ABS |
 | Misopates orontium | GB, VC9 Dorset, Parkstone | | Harold Stuart Thompson Henry Horrocks Slater | 10/9/1904 | BIRM |
 | Orchis ustulata | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | | 7/1880 | ABS |
 | Parietaria judaica | GB, VC64 Mid-west Yorkshire, Fountains Abbey | Henry Horrocks Slater | Henry Horrocks Slater | 7/1881 | ABS |
 | Potamogeton pectinatus | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | Arthur Waters Preston | 1880 | ABS |
 | Primula vulgaris | GB, VC32 Northamptonshire, Thornhaugh | Henry Horrocks Slater | Harold Stuart Thompson | 10/4/1903 | BIRM |
 | Rosa tomentosa x sherardii = R. x suberectiformis | GB, VC64 Mid-west Yorkshire, Ripon | Henry Horrocks Slater | | 7/7/1880 | ABS |
 | Stachys officinalis | | Henry Horrocks Slater | Harold Stuart Thompson Henry Horrocks Slater | 7/8/1901 | BIRM |
 | Stellaria pallida | GB, VC64 Mid-west Yorkshire, Ripon (near),River Ure | Henry Horrocks Slater | William Hunt Painter | 7/9/1880 | ABS |
 | Taraxacum | GB, VC29 Cambridgeshire, Wicken | Henry Horrocks Slater | Harold Stuart Thompson | 24/6/1903 | BIRM |
 | Taraxacum sect. Erythrosperma | GB, VC11 South Hampshire, New Forest | Henry Horrocks Slater | Harold Stuart Thompson | 1/6/1901 | BIRM |
 | Thalictrum minus | GB, VC69 Westmorland, Deepdale | Henry Horrocks Slater | William Hadden Beeby | 16/8/1880 | SLBI |
 | Thalictrum minus subsp. majus | GB, VC69 Westmorland, Deepdale | Henry Horrocks Slater | William Hunt Painter | 16/8/1880 | ABS |
 | Thalictrum minus subsp. minus | GB, VC69 Westmorland, Deepdale | Henry Horrocks Slater | Henry Horrocks Slater William Hunt Painter | 6/1880 | ABS |
 | Vaccinium vitis-idaea | GB, VC103 Mid Ebudes, Mull | Henry Horrocks Slater | Henry Horrocks Slater William Hunt Painter | 6/1878 | ABS |
 | Vicia lathyroides | GB, VC28 West Norfolk, Methwold | Henry Horrocks Slater | Hugh Neville Dixon Leslie Beeching Hall | 9/5/1898 | SLBI |