| Stachys sylvatica x palustris = S. x ambigua | GB, VC6 North Somerset, Leigh Woods | | | 9/1882 | ABS |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC43 Radnorshire, Llanyre | William Hunt Painter | | 7/1899 | ABS |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC63 South-west Yorkshire, Barnby Dun | | | 7/1874 | ABS |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC69 Westmorland, Grasmere | Henry Elliott Fox | | 8/1890 | ABS |
| Stachys sylvatica x palustris = S. x ambigua | GB | Edmund Gilbert Baker | Charles Edgar Salmon | | ABS |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Newlyn, Penzance | | Augustin Ley | 4/7/1883 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | George Stephen West John William Burton | 5/1876 to 9/1876 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Cawsand | Augustin Ley | Augustin Ley | 20/8/1877 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC5 South Somerset, Durleigh | Thomas Clark | Harold Stuart Thompson Thomas Clark | 10/7/1831 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Hook | Hewett Cottrell Watson | Botanical Society of London Harold Stuart Thompson Thomas Clark | 1849 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Long Ditton | Hewett Cottrell Watson | Harold Stuart Thompson Thomas Clark | 1849 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC19 North Essex, Little Sampford | Douglas Montague Heath | Douglas Montague Heath | 22/8/1921 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC22 Berkshire, Chilswell | | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 1894 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC35 Monmouthshire, Trelleck | Augustin Ley | Augustin Ley | 31/7/1877 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC36 Herefordshire, Eaton Bishop | Augustin Ley | Augustin Ley | 4/9/1874 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC36 Herefordshire, Kimbolton | Augustin Ley | Augustin Ley | 15/8/1855 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC36 Herefordshire, Saint Weonards | Augustin Ley | Augustin Ley | 13/8/1881 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC38 Warwickshire, Beausale Common | Henry Bromwich | Augustin Ley | 9/1871 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC38 Warwickshire, Honiley | | Robert Large Baker | 11/1873 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC41 Glamorganshire, Glyn-neath | Augustin Ley | Augustin Ley | 29/7/1890 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC42 Breconshire, Glyntawe | Augustin Ley | Augustin Ley | 22/7/1889 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC42 Breconshire, Talyllyn | Augustin Ley | Augustin Ley | 8/8/1876 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC44 Carmarthenshire, Rhandirmwyn | | Augustin Ley | 13/8/1897 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC44 Carmarthenshire, Rhandirmwyn | Augustin Ley | Augustin Ley | 8/8/1897 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC57 Derbyshire, Mackworth | William Henry Purchas | Augustin Ley | 22/8/1878 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC57 Derbyshire, Mackworth | William Henry Purchas | Augustin Ley | | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC62 North-east Yorkshire, Kildale | William A Mudd | George Stephen West | 8/1853 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | | | William Borrer William Jackson Hooker | | K |
| Stachys sylvatica x palustris = S. x ambigua | | Richardson | William Jackson Hooker | | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Gwinear | John Patrick Micklethwait Brenan N E G Cruttwell | John Patrick Micklethwait Brenan | 9/8/1943 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Newlyn Downs | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/1922 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Newlyn, Penzance | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/1922 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Pendennis Point | Edgar Thurston | Edgar Thurston | 15/8/1917 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | George Edward Hunt | 7/1868 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | Irvine | John Stuart Mill | 8/1865 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Perranzabuloe,Lambourne Hill | Francis Rilstone | Botanical Society of The British Isles Francis Rilstone | 23/8/1948 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Saint Ives | C B Clarke | | 25/9/1890 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Saint Ives | Edgar Thurston | Edgar Thurston | 1912 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Looe | Harry Joseph Riddelsdell | | 18/7/1924 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Looe | Harry Joseph Riddelsdell | | 18/7/1924 | K |