| Rosa canina x obtusifolia = R. x dumetorum | GB, VC17 Surrey, Witley Common | Edmund Browne Bishop | Botanical Exchange Club of The British Isles Edmund Browne Bishop | 19/7/1937 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC17 Surrey, Woking | W Biddiscombe | | 4/9/1926 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC17 Surrey, Woldingham | Charles Edward Britton | | 22/8/1915 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC18 South Essex, Eastwood Lane | William Robert Sherrin | | 3/7/1919 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC18 South Essex, Epping Long Green | Charles Edward Britton | Botanical Exchange Club of The British Isles Job Edward Lousley | 17/8/1929 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC18 South Essex, Great Warley Street | Charles Edward Britton | | 6/8/1911 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC18 South Essex, Tylers Common | Charles Edward Britton | | 6/8/1911 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC19 North Essex, Waltham Abbey | Charles Edward Britton | | 10/9/1911 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC19 North Essex, Waltham Abbey, Essex | Charles Edward Britton | | 10/9/1911 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC20 Hertfordshire, Offley | Joseph Edward Little | Joseph Edward Little | 15/8/1921 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC20 Hertfordshire, Oughton Head | Joseph Edward Little | Joseph Edward Little | 3/9/1921 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC21 Middlesex, Northwood | Charles Baylis Green | | 26/6/1909 30/10/1909 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC21 Middlesex, Northwood | Charles Baylis Green | Charles Baylis Green | 26/6/1909 30/10/1909 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC21 Middlesex, Springfield Park | Charles Baylis Green | | 25/6/1909 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC31 Huntingdonshire, Buckden | William Richardson Linton | Croydon Natural History and Scientific Society William Richardson Linton | 5/9/1884 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC31 Huntingdonshire, Ellington | Augustin Ley | | 29/8/1908 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC32 Northamptonshire, Ufford | Edmund Browne Bishop | Botanical Exchange Club of The British Isles | 12/9/1936 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC32 Northamptonshire, Wadenhoe | Augustin Ley | | 23/7/1910 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club | 11/6/1918 to 19/9/1918 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Bristol,Filton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper Job Edward Lousley | 8/7/1928 to 11/9/1928 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Clifton Down | James Walter White | Watson Botanical Exchange Club | 6/1899 9/1899 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Filton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 8/7/1928 11/9/1928 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Wickwar | Ida Mary Roper | | 20/7/1927 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Wickwar | Ida Mary Roper | | 20/7/1927 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Cowleigh Park Farm | Augustin Ley | | 24/7/1908 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Cowleigh Park Farm | Augustin Ley | | 24/7/1908 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Cowleigh Park Farm | Augustin Ley | | 23/8/1910 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Kilpeck | Augustin Ley | Augustin Ley | 5/7/1908 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Kilpeck | Augustin Ley | | 5/7/1908 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC36 Herefordshire, Mordiford | Augustin Ley | Watson Botanical Exchange Club William Robert Sherrin | 14/9/1909 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC38 Warwickshire, Harborough Magna | Andrew Bloxam | William Hadden Beeby | | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC38 Warwickshire, Rugby | Andrew Bloxam | William Hadden Beeby | | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC39 Staffordshire, Biddulph | William Hunt Painter | William Hunt Painter | | SHYB |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC39 Staffordshire, Biddulph | William Hunt Painter | Botanical Exchange Club of The British Isles | 9/1886 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC40 Shropshire, Presthope | Augustin Ley | | 2/9/1909 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC55 Leicestershire, Empingham | Constance L Wilde | Botanical Exchange Club of The British Isles | 19/6/1937 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC55 Leicestershire, Twycross | Andrew Bloxam | William Hadden Beeby | | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC57 Derbyshire, Shirley | Edward Francis Linton William Henry Purchas William Richardson Linton | Augustin Ley | 14/8/1889 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC58 Cheshire, Burwardsley | Anthony Hurt Wolley Dod | Watson Botanical Exchange Club Anthony Hurt Wolley Dod | 15/7/1900 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC62 North-east Yorkshire, Pickering | Ida Mary Roper | Watson Botanical Exchange Club | 17/9/1930 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC62 North-east Yorkshire, Pickering | Ida Mary Roper | Watson Botanical Exchange Club | 17/9/1930 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | | 9/1864 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | | 9/1867 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC64 Mid-west Yorkshire, Harrogate | Edward Francis Linton | Botanical Exchange Club of The British Isles | 4/8/1882 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC86 Stirlingshire, Linn of Campsie | William Barclay | | 28/7/1894 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC88 Mid Perthshire, Bridge of Earn | William Barclay | | 17/8/1896 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC88 Mid Perthshire, Lawers Pier | Isaac A Helsby | Isaac A Helsby | 10/7/1927 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC88 Mid Perthshire, Lochearnhead | William Barclay | | 9/9/1899 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | IE, VCH38 Co. Down, grey abbey | Coslett Herbert Waddell | Watson Botanical Exchange Club William Robert Sherrin | 31/8/1915 | SLBI |