| Erica ciliaris x tetralix = E. x watsonii | GB, Cornwall Cultivated | Hewett Cottrell Watson | | 1869 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Chacewater | James Henry Augustus Steuart | Watson Botanical Exchange Club Harold Stuart Thompson National Museum of Wales | 9/1894 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Chacewater | James Henry Augustus Steuart | Watson Botanical Exchange Club National Museum of Wales | 9/1894 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Wareham | Leslie Beeching Hall | Watson Botanical Exchange Club | 31/8/1925 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Charles Bailey | 7/1875 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Parkstone | Edward Francis Linton | Charles Bailey | 9/1897 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, Cornwall Cultivated | Hewett Cottrell Watson | Charles Bailey | 1869 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Wareham | Harold Stuart Thompson | Watson Botanical Exchange Club Charles Bailey | 17/9/1910 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Truro, near | Hewett Cottrell Watson | Charles Bailey John Wilson Rimington Spencer Henry Bickham | | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Charles Bailey | 7/1875 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Charles Bailey | 8/1875 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, Cornwall Cultivated | Hewett Cottrell Watson | | 1866 to 1867 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Charles Bailey | 8/1875 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Charles Bailey | 8/1877 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Carn Brea | John Ralfs William Booth Waterfall | Charles Bailey | 7/1877 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | William Hadden Beeby | 8/1875 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | | 7/1875 | ABS |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Robert Large Baker | 8/1875 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Wareham | George Claridge Druce | Botanical Exchange Club of The British Isles | 8/1923 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | | John Dickinson Massey | Arthur John Farmer John Dickinson Massey | | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Falmouth | J Fraser | Dulwich College | 8/1878 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC13 West Sussex, Fittleworth | J Fraser | Dulwich College | 8/1895 to 9/1895 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Stoborough | Douglas Montague Heath | Douglas Montague Heath | 9/9/1925 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, Cornwall, Truro | T Lobb | William Hillhouse | 1874 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Carnon Croft | Allan Octavian Hume | Allan Octavian Hume | 2/8/1899 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Perranwell Station | Allan Octavian Hume | Allan Octavian Hume | 2/8/1899 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Carnon Croft | Allan Octavian Hume | Allan Octavian Hume | 2/8/1899 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Wareham | Harold Stuart Thompson | Watson Botanical Exchange Club Augustin Ley Harold Stuart Thompson | 17/9/1910 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | Augustin Ley | 8/1875 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Parkstone | Augustin Ley Edward Francis Linton | Augustin Ley | 14/10/1897 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Parkstone | Augustin Ley Edward Francis Linton | Augustin Ley | 14/10/1897 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Parkstone | Edward Francis Linton | Allan Octavian Hume | 10/1897 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Chacewater | James Cunnack | Elizabeth Anne Lomax | 8/1874 | MANCH |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Slepe | Patrick Martin Hall | Job Edward Lousley Patrick Martin Hall | 25/7/1930 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Stoborough | Job Edward Lousley | Job Edward Lousley | 6/8/1934 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Penryn | James Cunnack | William Hunt Painter | 8/1877 | ABS |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC1 West Cornwall, Truro | G Smith | G Smith William Hunt Painter | | ABS |
| Erica ciliaris x tetralix = E. x watsonii | GB, Cornwall, Cornwall | James Cunnack | John Ralfs | 1876 | SLBI |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Ridge | Robert Charles Readett | | 13/9/1953 | BIRM |
| Erica ciliaris x tetralix = E. x watsonii | GB, VC9 Dorset, Ridge | Robert Charles Readett | | 13/9/1953 | BIRM |