| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Crantock | Chambre Corker Vigurs | Botanical Exchange Club of The British Isles | 8/10/1911 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC9 Dorset, Charmouth | Harold Stuart Thompson | Harold Stuart Thompson | 30/6/1933 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Harold Stuart Thompson | 9/5/1923 to 15/9/1923 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC2 East Cornwall, Polperro | Francis Rilstone | Botanical Exchange Club of The British Isles Francis Rilstone | 27/10/1921 | SLBI |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC29 Cambridgeshire, Cambridge | Charles Edward Moss | Augustin Ley | 20/10/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC38 Warwickshire, Myton | Henry Bromwich | Elizabeth Anne Lomax | 4/1878 9/1878 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | | Augustin Ley | Augustin Ley | 10/7/1882 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Rame | Augustin Ley | Augustin Ley | 6/7/1880 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Truro | Albert Bruce Jackson | Botanical Exchange Club of The British Isles Albert Bruce Jackson Augustin Ley | 8/1908 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC7 North Wiltshire, Langley Burrell | Augustin Ley | Augustin Ley | 10/10/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC7 North Wiltshire, Langley Burrell | Augustin Ley | Augustin Ley | 10/10/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC7 North Wiltshire, Langley Burrell | Augustin Ley | Augustin Ley | 10/10/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC8 South Wiltshire, Salisbury | Augustin Ley | Augustin Ley | 25/6/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC8 South Wiltshire, Salisbury | Edward Francis Linton | Augustin Ley Edward Francis Linton | 5/1909 8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC11 South Hampshire, Lyndhurst | Augustin Ley | Augustin Ley | 9/8/1882 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Augustin Ley | 7/1880 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew | Augustin Ley | Augustin Ley | 30/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew | John Gilbert Baker | Botanical Exchange Club of The British Isles Augustin Ley | 7/1880 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew | | Augustin Ley Edward Francis Linton | 5/1909 8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew | | Augustin Ley | 5/1909 8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew | | Augustin Ley | 5/1909 8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Gardens | Albert Bruce Jackson | Augustin Ley | 25/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Gardens | Albert Bruce Jackson | Augustin Ley | 25/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Gardens | | Augustin Ley | 6/1908 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Gardens | Albert Bruce Jackson | Augustin Ley | 25/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Gardens | Albert Bruce Jackson | Augustin Ley | 25/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC20 Hertfordshire, Beechwood | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC29 Cambridgeshire, Shudy Camps | Augustin Ley | Augustin Ley | 16/9/1881 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC31 Huntingdonshire, Huntingdon | Augustin Ley | Augustin Ley | 10/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC31 Huntingdonshire, Huntingdon | Augustin Ley | Augustin Ley | 10/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC34 West Gloucestershire, Drybrook | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC35 Monmouthshire, Llangattock | Augustin Ley | Augustin Ley | 8/5/1909 30/5/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC35 Monmouthshire, Llangattock nigh Usk | Augustin Ley | Augustin Ley | 3/7/1908 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC35 Monmouthshire, Monmouth | Augustin Ley | Augustin Ley | 26/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC35 Monmouthshire, Monmouth | Augustin Ley | Augustin Ley | 8/5/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC35 Monmouthshire, Trelleck | Augustin Ley | Augustin Ley | 19/8/1876 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Athelstans Wood | Augustin Ley | Augustin Ley | 12/9/1876 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Aylestone Hill | | Augustin Ley | 24/9/1885 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Bishop's Wood | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Bishop's Wood | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |