+ | Centaurea calcitrapa | GB, VC19 North Essex, Colchester,Hythe Quay | George Charles Brown | Botanical Society & Exchange Club of The British Isles | 16/6/1914 | MANCH |
+ | Platanthera chlorantha | GB, VC28 West Norfolk, Griston | George Claridge Druce | Botanical Society & Exchange Club of The British Isles Frederick Robinson | 17/6/1914 | MANCH |
+ | Fritillaria meleagris | GB, VC28 West Norfolk, Engalnd, Norfolk, Ovington | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Frederick Robinson | 27/6/1914 | MANCH |
+ | Potamogeton acutifolius | GB, VC9 Dorset, Poole (W of),Wareham | James Walter White | Botanical Society & Exchange Club of The British Isles | 30/6/1914 | MANCH |
+ | Vicia lutea | GB, VC19 North Essex, Saint Osyth,Beacon Hill | George Charles Brown | Botanical Society & Exchange Club of The British Isles | 5/7/1914 | MANCH |
| 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 |
+ | Calamagrostis stricta | GB, VC28 West Norfolk, Shropham Hundred | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Charles Bailey Frederick Robinson | 11/7/1914 | MANCH |
| Lobelia dortmanna | GB, VC69 Westmorland, River Brathay | Charles Waterfall | Botanical Society & Exchange Club of The British Isles Charles Waterfall | 24/7/1914 | MANCH |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC70 Cumberland, Melmerby | Charles Waterfall | Botanical Society & Exchange Club of The British Isles Charles Waterfall | 31/7/1914 | MANCH |
| Centaurium tenuiflorum | GB, VC10 Isle of Wight, River Medina | James Walter Long | Botanical Society & Exchange Club of The British Isles | 1915 1945 | SLBI |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC6 North Somerset, Gatcombe Mill | Ida Mary Roper | Botanical Society & Exchange Club of The British Isles Charles Bailey Ida Mary Roper | 28/5/1915 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC6 North Somerset, Wraxall | James Walter White | Botanical Society & Exchange Club of The British Isles Charles Bailey James Walter White | 11/6/1915 | MANCH |
| Calamagrostis epigejos x Ammophila arenaria = x Calammophila baltica | GB, VC27 East Norfolk, Winterton | Charles Edgar Salmon | Botanical Society & Exchange Club of The British Isles Charles Bailey Charles Edgar Salmon | 26/6/1915 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC19 North Essex, Easthorpe | George Charles Brown | Botanical Society & Exchange Club of The British Isles Charles Bailey | 27/6/1915 | MANCH |
| Potentilla erecta x anglica = P. x suberecta | GB, VC19 North Essex, Henny | George Charles Brown | Botanical Society & Exchange Club of The British Isles Charles Bailey | 4/7/1915 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC28 West Norfolk, Shropham | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Charles Bailey Frederick Robinson | 8/7/1915 | MANCH |
+ | Filago vulgaris | GB, VC23 Oxfordshire, Wiggington Cultivated | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Bailey | 12/7/1915 to 13/7/1915 | MANCH |
+ | Nepeta cataria | GB, VC58 Cheshire, Burton Marshes | Charles Waterfall | Botanical Society & Exchange Club of The British Isles Charles Bailey | 14/7/1915 | MANCH |
| Epipactis helleborine | GB, VC35 Monmouthshire, Tintern | William Andrew Shoolbred | Botanical Society & Exchange Club of The British Isles Charles Bailey William Andrew Shoolbred | 8/1915 | MANCH |
| Potamogeton alpinus | GB, VC69 Westmorland, Blelham Tarn | William Harrison Pearsall | Botanical Society & Exchange Club of The British Isles Charles Bailey William Harrison Pearsall | 4/8/1915 | MANCH |
| Salix aurita x repens = S. x ambigua | GB, VC33 East Gloucestershire, Todenham | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles | 5/8/1915 | CGE |
+ | Euphorbia exserta | GB, VC17 Surrey, Reigate Cultivated | Charles Edgar Salmon | Botanical Society & Exchange Club of The British Isles Charles Bailey Charles Edgar Salmon | 20/8/1915 | MANCH |
| Potamogeton berchtoldii | GB, VC1 West Cornwall, Holywell Bay | Francis Rilstone | Botanical Society & Exchange Club of The British Isles Charles Bailey Francis Rilstone | 23/8/1915 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Haymesgarth Cultivated | Charles Bailey | Botanical Society & Exchange Club of The British Isles Charles Bailey | 10/9/1915 | OXF |
| Potamogeton obtusifolius | GB, VC58 Cheshire, Mouldsworth | Charles Waterfall | Botanical Society & Exchange Club of The British Isles | 14/9/1915 | MANCH |
+ | Silene gallica | GB, VC54 North Lincolnshire, Woodhall Spa,High Hall Wood | Arthur Reginald Horwood | Botanical Society & Exchange Club of The British Isles Charles Bailey | 16/9/1915 | MANCH |
+ | Cuscuta epithymum | GB, VC12 North Hampshire, Ashmansworth | William Charles Barton | Botanical Society & Exchange Club of The British Isles Charles Bailey William Charles Barton | 18/9/1915 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC1 West Cornwall, Crantock | Chambre Corker Vigurs | Botanical Society & Exchange Club of The British Isles Charles Bailey | 26/9/1915 29/9/1915 | MANCH |
| Salix caprea x cinerea = S. x reichardtii | GB, VC59 South Lancashire, Walton Cultivated | James Alfred Wheldon | Botanical Society & Exchange Club of The British Isles | 4/1916 8/1916 | CGE |
+ | Puccinellia fasciculata | GB, VC17 Surrey | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles Charles Bailey | 10/6/1916 | MANCH |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Meole Brace | James Cosmo Melvill | Botanical Society & Exchange Club of The British Isles James Cosmo Melvill | 17/8/1916 | CGE |
+ | Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Shrewsbury | | Botanical Society & Exchange Club of The British Isles Charles Bailey James Cosmo Melvill | 17/8/1916 | MANCH |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Shrewsbury | James Cosmo Melvill | Botanical Society & Exchange Club of The British Isles James Cosmo Melvill | 17/8/1916 | LIV |
| Viola reichenbachiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Botanical Society & Exchange Club of The British Isles Charles Bailey Joseph Edward Little | 6/5/1917 3/6/1917 | MANCH |
| Veronica serpyllifolia subsp. humifusa | GB, VC5 South Somerset, West Monkton Cultivated GB, VC97 West Inverness-shire, Loch Laggan | Edward Shearburn Marshall | Botanical Society & Exchange Club of The British Isles Albert Bruce Jackson | 5/6/1917 | K |
| Lythrum portula | GB, VC4 North Devon, Badgworthy Valley | William Charles Barton | Botanical Society & Exchange Club of The British Isles William Charles Barton | 22/8/1917 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Shrewsbury | | Botanical Society & Exchange Club of The British Isles Joseph Edward Little | 24/8/1917 | CGE |
| Potamogeton polygonifolius | GB, VC50 Denbighshire, Wrexham | Charles Waterfall | Botanical Society & Exchange Club of The British Isles Charles Waterfall | 24/9/1917 | MANCH |
+ | Saxifraga hypnoides | IE, VCH9 Co. Clare, Black Head | Edward Shearburn Marshall | Botanical Society & Exchange Club of The British Isles Charles Bailey | 16/5/1918 | MANCH |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC6 North Somerset, Gatcombe | Ida Mary Roper | Botanical Society & Exchange Club of The British Isles Charles Bailey James Walter White | 23/5/1918 | MANCH |