| Galium x pomeranicum | GB, VC13 West Sussex, Southwick | Thomas Hilton | Allan Octavian Hume | 7/1903 | SLBI |
| Galium x pomeranicum | GB, VC13 West Sussex, Southwick | Thomas Hilton | Allan Octavian Hume | 7/1903 | SLBI |
| Galium x pomeranicum | GB, VC13 West Sussex, Southwick | Thomas Hilton | Allan Octavian Hume | 8/1903 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC31 Huntingdonshire, Wood Walton | George Claridge Druce | George Claridge Druce | 7/1904 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Failand | James Walter White | Botanical Exchange Club of The British Isles Charles Bailey Edward Shearburn Marshall | 10/8/1907 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Failand | James Walter White | Botanical Exchange Club of The British Isles Augustin Ley James Walter White | 10/8/1907 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC36 Herefordshire, Hoarwithy | Eleonora Armitage | Watson Botanical Exchange Club Charles Bailey Spencer Henry Bickham | 7/1909 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC36 Herefordshire, Hoarwithy | Eleonora Armitage | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 7/1909 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC36 Herefordshire, Hoarwithy | Eleonora Armitage | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 7/1909 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC36 Herefordshire, Hoarwithy | Eleonora Armitage | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 7/1909 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Ford | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Augustin Ley | 16/7/1909 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Hinchwick | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Charles Bailey | 23/7/1909 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Hinchwick | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 23/7/1909 | MANCH |
| Galium x pomeranicum | GB, VC16 West Kent, Keston | William Henry Griffin | Allan Octavian Hume | 24/7/1909 | SLBI |
| Galium x pomeranicum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Edward Shearburn Marshall Edward Shearburn Marshall | 2/8/1909 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Charles Bailey Spencer Henry Bickham | 26/8/1909 | MANCH |
| Galium x pomeranicum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Spencer Henry Bickham William Robert Sherrin | 26/8/1909 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC1 West Cornwall, Goonhilly Downs | Henry Elliott Fox | Augustin Ley | 7/1910 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Seven Springs | Charles Bailey | Manchester Museum Charles Bailey | 16/7/1910 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC55 Leicestershire, South Luffenham | | Augustin Ley | 8/8/1910 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC55 Leicestershire, South Luffenham | Augustin Ley | Augustin Ley | 8/8/1910 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Coberley | Archibald Sim Montgomrey | Harold Stuart Thompson | 15/7/1911 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC19 North Essex, Stanway | George Charles Brown | Botanical Society & Exchange Club of The British Isles | 30/6/1913 | MANCH |
| Galium x pomeranicum | GB, VC31 Huntingdonshire, Woodwalton Fen | Joseph Edward Little | Joseph Edward Little William Robert Sherrin | 14/7/1913 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC33 East Gloucestershire, Nottingham Hill | Archibald Sim Montgomrey | Harold Stuart Thompson | 16/7/1913 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC17 Surrey, Leatherhead | Charles Edward Britton | Botanical Society & Exchange Club of The British Isles Manchester Museum Charles Bailey | 6/7/1914 | MANCH |
| Galium x pomeranicum | GB, VC17 Surrey, Leatherhead | Charles Edward Britton | Charles Edward Britton | 8/8/1915 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC10 Isle of Wight, Shanklin Down | | Douglas Montague Heath | 29/7/1916 | BIRM |
| Galium x pomeranicum | GB, VC11 South Hampshire, Hayling Island | Rowland John Burdon | Watson Botanical Exchange Club | 2/6/1917 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC11 South Hampshire, Hayling Island | Rowland John Burdon | Watson Botanical Exchange Club Hayward George Claridge Druce | 2/7/1917 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Failand | Harold Stuart Thompson | Hayward George Claridge Druce | 21/7/1917 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Leigh | Harold Stuart Thompson | Harold Stuart Thompson | 21/7/1917 | BIRM |
| Galium x pomeranicum | GB, VC6 North Somerset, Failand | Harold Stuart Thompson | Watson Botanical Exchange Club | 21/7/1917 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Cheddar Gorge | Harold Stuart Thompson | Harold Stuart Thompson | 28/7/1917 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Tickenham | Harold Stuart Thompson | Harold Stuart Thompson | 17/7/1919 | BIRM |
| Galium x pomeranicum | GB, VC13 West Sussex, Findon | Marjorie Woolley Bostock | Marjorie Woolley Bostock | 26/5/1920 | SLBI |
| Galium verum x mollugo = G. x pomeranicum | GB, VC17 Surrey, Ashtead | Charles Edward Britton | Charles Edward Britton | 22/7/1923 | MANCH |
| Galium verum x mollugo = G. x pomeranicum | GB, VC6 North Somerset, Shipham | Harold Stuart Thompson | Harold Stuart Thompson | 7/8/1924 | BIRM |
| Galium x pomeranicum | GB, VC9 Dorset, Abbotsbury | Job Edward Lousley | Job Edward Lousley | 9/7/1932 | SLBI |
| Galium x pomeranicum | GB, VC6 North Somerset, Monkton Combe | Harold Stuart Thompson | Watson Botanical Exchange Club Harold Stuart Thompson Job Edward Lousley | 2/6/1933 | SLBI |
| Galium x pomeranicum | GB, VC90 Angus, Clova, Inchdowrie | Richard Charles L'Estrange Burges | Robert Henry Corstorphine | 29/7/1934 | BIRM |
| Galium verum x mollugo = G. x pomeranicum | | Richard Charles L'Estrange Burges | | 1935 | BIRM |