| Viola tricolor subsp. tricolor | GB, VC22 Berkshire, Loddon Bridge | Job Edward Lousley | Watson Botanical Exchange Club | 24/5/1931 | BIRM |
| Viola tricolor subsp. tricolor | GB, VC57 Derbyshire, Cromford | William Bell | Watson Botanical Exchange Club Augustin Ley William Bell | 7/7/1906 | BIRM |
| Viola tricolor subsp. saxatilis | GB, VC70 Cumberland, Duddon Hall | William Harold Pearsall | Watson Botanical Exchange Club | 1/10/1926 | SLBI |
| Viola tricolor subsp. saxatilis | GB, VC101 Kintyre, Killean | Enid M MacAlister Hall | Watson Botanical Exchange Club Job Edward Lousley Joseph Edward Little | 7/1931 | SLBI |
| Viola tricolor subsp. saxatilis | GB, VC101 Kintyre, Tayinloan | Enid M MacAlister Hall | Watson Botanical Exchange Club Harold Stuart Thompson Joseph Edward Little | 7/1931 | BIRM |
| Viola tricolor subsp. saxatilis | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Watson Botanical Exchange Club Augustin Ley Coslett Herbert Waddell | 4/10/1910 | BIRM |
| Viola tricolor subsp. curtisii | GB, VC27 East Norfolk, Sheringham | Frederick Long | Watson Botanical Exchange Club Harold Stuart Thompson | 9/1917 | BIRM |
| Viola tricolor subsp. curtisii | GB, VC48 Merionethshire | George Goode | Watson Botanical Exchange Club Augustin Ley | 27/7/1906 | BIRM |
| Viola tricolor subsp. curtisii | GB, VC52 Anglesey, Aberffraw | Job Edward Lousley | Watson Botanical Exchange Club Job Edward Lousley | 19/6/1931 | SLBI |
| Viola tricolor subsp. curtisii | GB, VC60 West Lancashire, Fairhaven | Charles Bailey | Watson Botanical Exchange Club William Robert Sherrin | 14/5/1906 | SLBI |
| Viola tricolor subsp. curtisii | IE, VCH16 West Galway, Roundstone | William Charles Barton | Watson Botanical Exchange Club William Charles Barton William Robert Sherrin | 14/8/1913 | SLBI |
| Viola tricolor subsp. curtisii | IE, VCH38 Co. Down, Dundrum | Coslett Herbert Waddell | Watson Botanical Exchange Club Augustin Ley Coslett Herbert Waddell | 26/4/1902 | BIRM |
+ | Viola tricolor | GB, VC108 West Sutherland, Melvich | Edward Shearburn Marshall | Watson Botanical Exchange Club Charles Bailey | 15/7/1915 | MANCH |
| Viola sylvestris | GB, VC6 North Somerset, Clapton in Gordano | James Walter White | Isaac A Helsby Watson Botanical Exchange Club | 7/1916 | SLBI |
| Viola sylvestris | GB, VC6 North Somerset, Clapton in Gordano | James Walter White | Isaac A Helsby Watson Botanical Exchange Club | 14/5/1924 | SLBI |
| Viola segetalis | GB, VC17 Surrey, Ashtead, Thirty Acre Barn | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 31/5/1929 | SLBI |
| Viola ruralis | GB, VC13 West Sussex, Midhurst,Woolbeding | Rowland John Burdon | Watson Botanical Exchange Club Job Edward Lousley | 28/4/1931 | SLBI |
| Viola ruralis | GB, VC20 Hertfordshire, Saint Ippolyts | Joseph Edward Little | Watson Botanical Exchange Club | 21/5/1930 | SLBI |
| Viola riviniana | GB, VC6 North Somerset, Congresbury | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 1/5/1920 | SLBI |
| Viola riviniana | GB, VC6 North Somerset, Congresbury | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 1/5/1920 | BIRM |
| Viola riviniana var. nemorosa | GB, VC6 North Somerset, Sharpham Moor | Harold Stuart Thompson | Watson Botanical Exchange Club Harold Stuart Thompson | 16/5/1924 | SLBI |
| Viola riviniana | GB, VC34 West Gloucestershire, Patchway | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 2/5/1922 23/6/1922 | SLBI |
| Viola riviniana var. minor | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 13/5/1908 | BIRM |
| Viola reichenbachiana | GB, VC6 North Somerset, Clapton in Gordano | James Walter White | Watson Botanical Exchange Club | 7/1916 14/5/1924 | SLBI |
| Viola reichenbachiana | GB, VC15 East Kent, Bredhurst | Charles Edward Britton | Watson Botanical Exchange Club Charles Edward Britton | 26/6/1898 | SLBI |
| Viola reichenbachiana | GB, VC34 West Gloucestershire, Lansdown Hill | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 26/5/1919 | GLR |
| Viola reichenbachiana | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Manchester Museum Watson Botanical Exchange Club Charles Bailey Spencer Henry Bickham | 13/5/1908 | MANCH |
| Viola reichenbachiana | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 1/7/1909 | SLBI |
| Viola reichenbachiana | IE, VCH39 Co. Antrim, Edenderry | Coslett Herbert Waddell | Watson Botanical Exchange Club Coslett Herbert Waddell Hugh Neville Dixon Leslie Beeching Hall | 4/4/1904 | SLBI |
| Viola pesneaui | IE, VCH39 Co. Antrim, Portrush | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper Job Edward Lousley | 27/8/1928 | SLBI |
| Viola odorata x hirta = V. x scabra | GB, VC6 North Somerset, Tickenham | Ida Mary Roper | Watson Botanical Exchange Club | 3/4/1918 | SLBI |
| Viola odorata x hirta = V. x scabra | GB, VC34 West Gloucestershire, Alveston Common | Ida Mary Roper | Ida Mary Roper Watson Botanical Exchange Club Augustin Ley | 30/3/1910 | BIRM |
| Viola odorata | GB, VC32 Northamptonshire, Weedon | F S Wilcox | Watson Botanical Exchange Club Augustin Ley William Bell | 6/1907 | BIRM |
| Viola odorata | GB, VC34 West Gloucestershire, Beach | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 21/4/1917 30/6/1917 | BIRM |
| Viola odorata | GB, VC34 West Gloucestershire, Ingst | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper William Robert Sherrin | 22/3/1913 to 12/7/1913 | SLBI |
| Viola odorata | GB, VC34 West Gloucestershire, Lansdown Hill | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 10/4/1930 20/9/1930 | SLBI |
| Viola odorata | GB, VC34 West Gloucestershire, Lansdown Hill | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 10/4/1930 20/9/1930 | SLBI |
| Viola lutea | GB, VC88 Mid Perthshire, Killin | Joseph Edward Little Katherine D Little | Watson Botanical Exchange Club Joseph Edward Little | 16/7/1930 | SLBI |
| Viola lutea | GB, VC88 Mid Perthshire, Killin | Katherine D Little | Watson Botanical Exchange Club Joseph Edward Little | 16/7/1930 | SLBI |
| Viola lutea | GB, VC108 West Sutherland, Melvich | Edward Shearburn Marshall | Watson Botanical Exchange Club Harold Stuart Thompson | 15/7/1915 | BIRM |