| Stachys sylvatica x palustris = S. x ambigua | GB, VC6 North Somerset, Walton in Gordano | Noel Yvri Sandwith | | 9/1920 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC8 South Wiltshire, Bratton | Joseph Donald Grose | Botanical Society & Exchange Club of The British Isles Joseph Donald Grose | | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC12 North Hampshire, North Warnborough | Edward Charles Wallace | Edward Charles Wallace Job Edward Lousley | 18/7/1931 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC13 West Sussex, Billingshurst | Alfred Webster | Botanical Exchange Club of The British Isles Hayward George Claridge Druce | 14/7/1914 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC13 West Sussex, Sidlesham | William Borrer | William Jackson Hooker | | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC14 East Sussex, Haywards Heath | Clifford Charles Townsend Robert Desmond Meikle | | 10/7/1968 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC14 East Sussex, Horeham | Thomas Hilton | Charles Edgar Salmon | 7/1904 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC14 East Sussex, Winchelsea | John Gilbert Baker | | 9/1880 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC16 West Kent, Stone Marshes | William Henry Griffin | Allan Octavian Hume | 16/7/1902 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Brockham | J Fraser | J Fraser | 28/8/1927 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Capel | Charles Edgar Salmon | Charles Edgar Salmon | 9/9/1920 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chelsham | Dennys Basil Fanshawe | | 21/8/1937 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chessington | Charles Edward Britton | Botanical Society & Exchange Club of The British Isles | 4/8/1929 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chessington | Charles Edward Britton | Charles Edward Britton | 4/8/1929 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chessington | Charles Edward Britton | Charles Edward Britton | 4/8/1929 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chessington | Charles Edward Britton | Charles Edward Britton | 4/8/1929 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Chessington | Charles Edward Britton | J Fraser | 4/8/1929 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Claygate | Charles Edward Britton | Charles Edward Britton | 29/7/1917 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Dorking | Charles Edgar Salmon | Charles Edgar Salmon | 9/9/1920 | K |
| 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, Hook | Hewett Cottrell Watson | Charles Bailey William Lowndes Notcutt | 1849 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Hook | Hewett Cottrell Watson | Charles Bailey John Barrow | 1867 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Hook | | George Cheetham Churchill Hewett Cottrell Watson | 31/8/1847 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Horley | A Russell | William Hadden Beeby | 7/1878 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Leigh | William Hadden Beeby | William Hadden Beeby | 12/8/1883 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Limpsfield | J Fraser | J Fraser | 9/7/1905 | K |
| 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, VC17 Surrey, Merton | Charles Edward Britton | Charles Edward Britton | 8/8/1911 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Merton | Charles Edward Britton | Charles Edward Britton | 18/7/1914 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Morden | Charles Edward Britton | Charles Edward Britton | 28/7/1911 1/11/1911 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Morden | Charles Edward Britton | Charles Edward Britton | 28/7/1911 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Morden | Charles Edward Britton | Charles Edward Britton | 28/7/1911 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, New Malden GB, VC17 Surrey, Surbiton | Charles Edward Britton | Charles Edward Britton | 1/9/1931 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, New Malden | Charles Edward Britton | Charles Edward Britton | 1/9/1931 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Oxshott | Charles Edward Britton | Charles Edward Britton | 21/7/1918 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Raynes Park | Charles Edward Britton | Charles Edward Britton | 10/8/1911 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC17 Surrey, Raynes Park | Charles Edward Britton | Charles Edward Britton | 1/11/1911 | SLBI |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC19 North Essex, Berechurch | George Charles Brown | Botanical Society & Exchange Club of The British Isles George Charles Brown Job Edward Lousley | 11/7/1926 | SLBI |
| 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, VC20 Hertfordshire, Limbrick Hall | Edward James Salisbury | | 8/1904 | K |