| 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 | 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, 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 |
| 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, Breinton | Augustin Ley | Augustin Ley | 30/8/1882 | 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, 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, 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, Dadnor Court | Augustin Ley | Augustin Ley | 24/8/1882 | BIRM |
| 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 | 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, Greytree | Augustin Ley | Augustin Ley | 25/8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Greytree | | Augustin Ley | 24/9/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Greytree | Augustin Ley | Augustin Ley | 24/9/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hentland, Ross | Augustin Ley | Augustin Ley | 29/8/1899 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hereford | Augustin Ley | Augustin Ley | 23/9/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Hereford | Augustin Ley | Augustin Ley | 23/9/1909 | 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, VC36 Herefordshire, Howle Hill | | | 1/10/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Llangarron | Augustin Ley | Augustin Ley | 19/9/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Much Dewchurch Cultivated | Augustin Ley | Augustin Ley | 26/7/1879 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Much Dewchurch | Augustin Ley | Augustin Ley | 1/7/1881 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Red Rail | Augustin Ley | Augustin Ley | 29/4/1907 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Ross | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 26/4/1886 13/10/1886 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Ross | | Augustin Ley | 29/8/1882 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Ross | Augustin Ley | Augustin Ley | 25/8/1909 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Ross | Augustin Ley | Augustin Ley | 9/1909 | 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, Ross, Travellers' Rest | Augustin Ley | Augustin Ley | 5/1909 7/1909 | BIRM |