| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Eaton Bishop | Augustin Ley | Botanical Exchange Club of The British Isles | 11/10/1883 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Eaton Bishop | Augustin Ley | Augustin Ley | 7/10/1884 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Dadnor Court | Augustin Ley | Augustin Ley | 24/8/1882 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Dadnor | Augustin Ley | Augustin Ley | 10/5/1909 14/8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Dadnor | Augustin Ley | Augustin Ley | 10/5/1909 14/8/1909 | 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, Canon Pyon | Augustin Ley | Botanical Exchange Club of The British Isles | 22/8/1882 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Canon Pyon | Augustin Ley | Augustin Ley | 25/5/1882 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Breinton | Augustin Ley | Augustin Ley | 30/8/1882 | 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, 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, Aylestone Hill | | Augustin Ley | 24/9/1885 | 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, VC35 Monmouthshire, Trelleck | Augustin Ley | Augustin Ley | 19/8/1876 | 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, Monmouth | Augustin Ley | Augustin Ley | 26/10/1909 | 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, Llangattock | Augustin Ley | Augustin Ley | 8/5/1909 30/5/1909 | 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, 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, VC29 Cambridgeshire, Shudy Camps | Augustin Ley | Augustin Ley | 16/9/1881 | BIRM |
| 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, 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, 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, Beechwood | Augustin Ley | Augustin Ley | 8/9/1910 | 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, 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 Cultivated | John Gilbert Baker | Charles Bailey | 8/1869 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 7/1880 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 7/1880 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Charles Bailey John Barrow | 8/1869 | MANCH |
| 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 | John Gilbert Baker | Botanical Exchange Club of The British Isles Augustin Ley | 7/1880 | BIRM |