| Potamogeton pusillus | GB, VC27 East Norfolk, Barton Broad | Charles Edward Moss | Alfred Fryer Charles Bailey | 8/1909 | BIRM |
| Potamogeton pusillus | GB, VC27 East Norfolk, Brograve Level | Charles Edward Moss | Botanical Exchange Club of The British Isles Cambridge University Augustin Ley | 8/1909 | BIRM |
| Quercus petraea x robur = Q. x rosacea | GB, VC29 Cambridgeshire, Gamlingay, White Wood | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Augustin Ley | 25/5/1909 27/10/1909 | BIRM |
| Quercus robur | GB, VC29 Cambridgeshire, Gamlingay, White Wood | Charles Edward Moss | Botanical Exchange Club of The British Isles Cambridge University Augustin Ley | 20/5/1909 27/10/1909 | BIRM |
| Salicornia | GB, VC28 West Norfolk, Holme | Charles Edward Moss | Botanical Exchange Club of The British Isles Cambridge University Augustin Ley | 16/10/1910 | BIRM |
| Salicornia | GB, VC28 West Norfolk, Hunstanton | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Augustin Ley | 16/10/1910 | BIRM |
| Salicornia fragilis | GB, VC53 South Lincolnshire, River Nene | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Augustin Ley | 11/10/1909 | BIRM |
| Salicornia pusilla | GB, VC28 West Norfolk, Holme | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Harold Stuart Thompson | 16/10/1910 | BIRM |
| Sarcocornia perennis | GB, VC28 West Norfolk, Holme Marsh | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Augustin Ley | 16/10/1910 | BIRM |
| Taraxacum sect. Erythrosperma | GB, VC28 West Norfolk, Hunstanton | Charles Edward Moss | Cambridge University Watson Botanical Exchange Club Augustin Ley | 6/6/1910 | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC29 Cambridgeshire, Cambridge | Charles Edward Moss | Augustin Ley | 20/10/1910 | BIRM |
| Ulmus procera | GB, VC29 Cambridgeshire, Cambridge | Charles Edward Moss | Augustin Ley | 20/10/1910 | BIRM |
| Veronica arvensis | GB, VC26 West Suffolk, Cavenham | Charles Edward Moss | Watson Botanical Exchange Club Augustin Ley | 16/5/1910 | BIRM |
| Viola reichenbachiana | GB, VC20 Hertfordshire, Harpenden | Charles Edward Moss | Botanical Exchange Club of The British Isles Cambridge University Augustin Ley | 29/4/1910 | BIRM |
| Wahlenbergia hederacea | GB, VC63 South-west Yorkshire, Ripponden | Charles Edward Moss | George Stephen West William West | 31/8/1895 | BIRM |
| Carex appropinquata | GB, VC26 West Suffolk, Mildenhall | Charles Edward Moss | Cambridge University | 6/1911 | BM |
| Carex lasiocarpa | GB, VC31 Huntingdonshire, Wood Walton | Charles Edgar Salmon Charles Edward Moss | Charles Edgar Salmon | 30/5/1914 | BM |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC19 North Essex | Arthur Humble Evans | Cambridge University Watson Botanical Exchange Club Arthur Bennett Charles Edward Moss | 6/1910 | BM |
| Carex paniculata x appropinquata = C. x rotae | GB, VC26 West Suffolk, Barton Mills | Charles Edward Moss Edward Shearburn Marshall Robert Stephen Adamson | Robert Stephen Adamson | 4/6/1912 | BM |
| Carex paniculata x appropinquata = C. x rotae | GB, VC26 West Suffolk, Barton Mills | Charles Edward Moss Edward Shearburn Marshall Robert Stephen Adamson | Botanical Exchange Club of The British Isles William Charles Barton | 4/6/1912 | BM |
| Carex remota | GB, VC19 North Essex, North Essex | Arthur Humble Evans | Watson Botanical Exchange Club Charles Edward Moss Frederick Janson Hanbury | 6/1910 | BM |
| Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Fortingall | Charles Edward Moss | | 2/9/1913 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Fortingall | Charles Edward Moss | | 2/9/1913 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC20 Hertfordshire, Hitchin | Charles Edward Moss | | 17/9/1912 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC20 Hertfordshire, Hitchin | Charles Edward Moss | | 17/9/1912 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC29 Cambridgeshire, Upware | Charles Edward Moss | | 15/8/1912 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC29 Cambridgeshire, Welches Dam | Charles Edward Moss | | 1/8/1910 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, Mid-East Perthshire, Dunkeld | Charles Edward Moss | | 6/9/1913 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC90 Angus, Rescobie | Charles Edward Moss | | 11/9/1912 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Caxton Gibbet | Charles Edward Moss | | 24/7/1912 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Chesterton | Charles Edward Moss | | 27/8/1913 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Chesterton | Charles Edward Moss | | 29/8/1913 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Chesterton | Charles Edward Moss | | 25/8/1912 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Chippenham | Charles Edward Moss | | 25/9/1912 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Chippenham Fen | Charles Edward Moss | | 25/9/1912 | CGE |
| Salix aurita x repens = S. x ambigua | GB, VC65,VC66, Teesdale | Charles Edward Moss | | 6/1913 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC106 East Ross & Cromarty, Garve | Edward Shearburn Marshall | Charles Edward Moss | 14/7/1909 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC106 East Ross & Cromarty, Garve | William Andrew Shoolbred | Botanical Exchange Club of The British Isles Charles Edward Moss William Andrew Shoolbred | 14/7/1909 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC26 West Suffolk, Cavenham | Charles Edward Moss | | 1912 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC26 West Suffolk, Cavenham | Charles Edward Moss | | 1912 | CGE |