+ | Zostera marina | GB, VC83,VC84, Edinburgh,Cramond Island | W Horton-Smith | W Horton-Smith | 2/8/1880 | MANCH |
+ | Zostera marina | GB, VC83,VC84, Edinburgh,Cramond Island | W Horton-Smith | W Horton-Smith | 2/8/1880 | MANCH |
+ | Viola tricolor subsp. tricolor | GB, VC48 Merionethshire, Lake Bala | B R Lucas | W Horton-Smith | 13/8/1922 | MANCH |
+ | Viola tricolor | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | W Horton-Smith | | MANCH |
+ | Viola canina | | W Horton-Smith | Warrington Museum Balfour William Wilson | 7/7/1925 | MANCH |
+ | Viola canina | GB, VC40 Shropshire | W Horton-Smith | W Horton-Smith | 7/7/1925 | MANCH |
+ | Viola canina | GB, VC58 Cheshire | W Horton-Smith | W Horton-Smith | 13/5/1917 | MANCH |
+ | Viola canina | GB, VC82 East Lothian, Haddington | W Horton-Smith | W Horton-Smith | 9/6/1877 | MANCH |
+ | Veronica | GB, VC62 North-east Yorkshire, Sandsend | W Horton-Smith | W Horton-Smith | 25/9/1916 | MANCH |
+ | Veronica | GB, VC70 Cumberland, Bassenthwaite | W Horton-Smith | W Horton-Smith | 28/9/1920 | MANCH |
+ | Veronica | GB, VC70 Cumberland, Bassenthwaite | W Horton-Smith | Schill | 28/9/1920 | MANCH |
+ | Valerianella dentata | GB, VC50 Denbighshire, Llangollen Cultivated | W Horton-Smith | W Horton-Smith | 29/6/1919 | MANCH |
+ | Valerianella dentata | GB, VC50 Denbighshire, Llangollen Cultivated | W Horton-Smith | W Horton-Smith | 29/6/1919 | MANCH |
+ | Torilis arvensis | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | W Horton-Smith | | MANCH |
+ | Torilis arvensis | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | James Ward W Horton-Smith | 7/1867 | MANCH |
| Tilia platyphyllos x cordata = T. x europaea | GB, VC58 Cheshire, Tabley | W Horton-Smith | | 30/7/1916 | MANCH |
| Tilia platyphyllos x cordata = T. x europaea | GB, VC58 Cheshire, Winnington | W Horton-Smith | | 22/7/1918 | MANCH |
| Tilia platyphyllos x cordata = T. x europaea | GB, VC58 Cheshire, Winnington | W Horton-Smith | | 1/6/1918 | MANCH |
+ | Teesdalia nudicaulis | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | W Horton-Smith | 1891 | MANCH |
+ | Symphytum officinale x asperum = S. x uplandicum | GB, VC58 Cheshire, Northwich,Winnington | W Horton-Smith | W Horton-Smith | 26/8/1915 | MANCH |
+ | Stratiotes aloides | GB, VC58 Cheshire, Baguley | W Horton-Smith | W Horton-Smith | 21/6/1922 | MANCH |
+ | Stratiotes aloides | GB, VC58 Cheshire, Baguley | W Horton-Smith | W Horton-Smith | 24/8/1921 | MANCH |
+ | Stellaria palustris | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | | | MANCH |
+ | Stellaria palustris | GB, VC83 Midlothian, Edinburgh | W Horton-Smith | | 22/6/1878 | MANCH |
+ | Spiraea salicifolia x douglasii = S. x pseudosalicifolia | GB, VC58 Cheshire, Northwich,Hartford | W Horton-Smith | W Horton-Smith | 26/7/1918 | MANCH |
+ | Spergula arvensis | GB, VC28 West Norfolk, Fakenham | W Horton-Smith | W Horton-Smith | | MANCH |
+ | Spergula arvensis | GB, VC58 Cheshire, Northwich (west of),Sandiway Cultivated | W Horton-Smith | W Horton-Smith | 4/9/1915 | MANCH |
+ | Spergula arvensis | GB, VC58 Cheshire, Whitley Cultivated | W Horton-Smith | W Horton-Smith | 15/10/1877 | MANCH |
+ | Spartina maritima | GB, VC9 Dorset, Poole Harbour | W Horton-Smith | W Horton-Smith | 13/9/1922 | MANCH |
+ | Spartina maritima | GB, VC11 South Hampshire, Cracknore Hard | W Horton-Smith | W Horton-Smith | 14/9/1922 | MANCH |
+ | Silene nutans | GB, VC57 Derbyshire, Miller's Dale | | W Horton-Smith | 13/6/1924 | MANCH |
+ | Sibbaldia procumbens | GB, VC88 Mid Perthshire, Meall nan Tarmachan | Frederick Morgan Webb | W Horton-Smith | 14/8/1848 | MANCH |
| Serratula tinctoria | GB, VC48 Merionethshire, Lake Bala | W Horton-Smith | | 13/8/1922 | MANCH |
| Serratula tinctoria | GB, VC48 Merionethshire, Lake Bala | W Horton-Smith | | 13/8/1922 | MANCH |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC11 South Hampshire, Boldre | W Horton-Smith | | 13/9/1922 | MANCH |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC58 Cheshire, Hatchmere | W Horton-Smith | | 8/1918 | MANCH |
+ | Scheuchzeria palustris | GB, VC65 North-west Yorkshire, Leckby Carr | John Eddowes Bowman | W Horton-Smith | 5/1841 | MANCH |
+ | Scandix pecten-veneris | GB, VC28 West Norfolk, Fakenham | | W Horton-Smith | | MANCH |
+ | Saxifraga hypnoides | GB, VC57 Derbyshire, Buxton (E of),Miller's Dale | W Horton-Smith | W Horton-Smith | 5/6/1923 | MANCH |
+ | Saxifraga hypnoides | GB, VC57 Derbyshire, Miller's dale [Millersdale] | W Horton-Smith | | 15/6/1919 | MANCH |