| 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 | | | Allan Octavian Hume Frederick Townsend | | SLBI |
| 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, Loe Pool | Allan Octavian Hume | Allan Octavian Hume | 10/7/1899 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Loe Pool | Allan Octavian Hume | Allan Octavian Hume | 8/7/1899 | SLBI |
| 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 | A Curnow | William Hadden Beeby | 9/1875 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Newlyn, Penzance | William Curnow | | 4/1876 9/1876 | MANCH |
| 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, Newlyn, Penzance | | Augustin Ley | 4/7/1883 | BIRM |
| 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, Penryn, reservoir | Allan Octavian Hume | Allan Octavian Hume | 26/8/1899 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penryn, reservoir | Allan Octavian Hume | Allan Octavian Hume | 26/8/1899 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | Charles Bailey | 4/1876 9/1876 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 4/9/1843 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | Charles Bailey | 5/1876 9/1876 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Penzance | William Curnow | Charles Bailey | 9/1875 | MANCH |
| 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, 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, Cawsand | Augustin Ley | Augustin Ley | 20/8/1877 | BIRM |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, East Looe | Allan Octavian Hume | Allan Octavian Hume | 6/8/1900 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Launceston | William Wise | William Wise | 8/1882 | LAUS |
| 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 |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Looe | Charles Edward Britton Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles | 18/7/1924 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Polperro | Francis Rilstone | Botanical Exchange Club of The British Isles Francis Rilstone Lester Vallis Lester-Garland | 10/7/1919 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Polperro | Edgar Thurston | Edgar Thurston | 2/7/1919 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Porthpean | William Tresidder | Edgar Thurston | 30/9/1925 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Saint Austell | William Tresidder | Edgar Thurston | 22/7/1924 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Saint Mawes | John Patrick Micklethwait Brenan | John Patrick Micklethwait Brenan | 23/6/1949 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Veryan | Edgar Thurston | Edgar Thurston | 6/1913 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Wilsey Down | Joseph Edward Little | Joseph Edward Little | 14/9/1924 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC3 South Devon, Bere Alston | Thomas Richard Archer Briggs | | 26/8/1890 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC3 South Devon, Birnham | Mabel Cobbe | Herbert Stanley Redgrove | 6/1918 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC3 South Devon, Brixham | Francis Morland Day | | 4/8/1935 | K |