| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC55 Leicestershire, Tugby Wood | Richard Charles L'Estrange Burges | | 29/6/1948 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Lambriggan | Richard Charles L'Estrange Burges | | 17/6/1947 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Lambriggan | Richard Charles L'Estrange Burges | | 17/6/1947 | BIRM |
| 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, Saint Ippolyts | Joseph Edward Little | Watson Botanical Exchange Club | 17/5/1923 23/8/1923 | SLBI |
| 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, VC20 Hertfordshire, Saint Ippolyts | Joseph Edward Little | Watson Botanical Exchange Club | 17/2/1923 17/5/1923 23/8/1923 | SLBI |
| 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, VC1 West Cornwall, Crantock | Chambre Corker Vigurs | Botanical Society & Exchange Club of The British Isles Charles Bailey | 26/9/1915 29/9/1915 | MANCH |
| 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, VC17 Surrey, Cannon Hill | Charles Edward Britton | Charles Edward Britton | 25/7/1911 | 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, 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, VC20 Hertfordshire, Beechwood | Augustin Ley | Augustin Ley | 8/9/1910 | 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, 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 |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hope Mansell | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hope Mansell | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hope Mansell | Augustin Ley | Augustin Ley | 8/9/1910 | 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 | 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 | Albert Bruce Jackson | Augustin Ley | 25/8/1910 | 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, VC31 Huntingdonshire, Huntingdon | Augustin Ley | Augustin Ley | 10/8/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC69 Westmorland, Hawes Water | Augustin Ley | Augustin Ley | 1/7/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Coughton | Augustin Ley | Augustin Ley | 10/6/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Coughton | Augustin Ley | Augustin Ley | 10/6/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Brampton Abbotts | Augustin Ley | Augustin Ley | 23/5/1910 | 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, VC35 Monmouthshire, Monmouth | Augustin Ley | Augustin Ley | 26/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Walford | Augustin Ley | Augustin Ley | 19/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Howle Hill | | | 1/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Ross on Wye | | Augustin Ley | 1/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Wythall | Augustin Ley | Augustin Ley | 1/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Wythall | Augustin Ley | Augustin Ley | 1/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Greytree | | Augustin Ley | 24/9/1909 | BIRM |