| Salix caprea x cinerea = S. x reichardtii | GB, VC25 East Suffolk, Wolsey Bridge | J Gina Murrell Peter Derek Sell | | 1/10/1991 | CGE |
| Carex arenaria | GB, VC26 West Suffolk, Lakenheath | Peter Derek Sell | Cambridge University | 7/6/1961 | BM |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC26 West Suffolk, Tuddenham | Peter Derek Sell | | 7/8/1967 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, East Somerton | Peter Derek Sell | | 30/7/1962 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Winterton | Peter Derek Sell | | 31/7/1961 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC28 West Norfolk, Croxton | Peter Derek Sell | | 15/7/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC28 West Norfolk, Welney | Peter Derek Sell | | 16/9/1993 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Barton | Peter Derek Sell | | 2/7/1991 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Barton | Peter Derek Sell | | 2/7/1991 | CGE |
| Mentha spicata x suaveolens = M. x villosa | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 18/8/1992 | CGE |
| Mentha spicata x suaveolens = M. x villosa | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 18/8/1992 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 20/6/1986 | CGE |
| Salix cinerea x aurita = S. x multinervis | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 31/8/1990 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 19/6/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 19/6/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 19/6/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 6/7/1986 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 30/12/1967 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 26/4/1987 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bourn | Peter Derek Sell | | 11/7/1986 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Boxworth | J Gina Murrell Peter Derek Sell | | 28/8/1991 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | L Nicol Peter Derek Sell | | 11/7/1986 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | A Clark Peter Derek Sell | | 11/7/1986 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | A Clark Peter Derek Sell | | 11/7/1986 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | A Clark Peter Derek Sell | | 11/7/1986 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | A Clark Peter Derek Sell | | 11/7/1986 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | L Nicol Peter Derek Sell | | 27/4/1987 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | L Nicol Peter Derek Sell | | 27/4/1987 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | L Nicol Peter Derek Sell | | 27/4/1987 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Coe Fen | L Nicol Peter Derek Sell | | 27/4/1987 | CGE |
| Carex riparia | GB, VC29 Cambridgeshire, Cambridge, Paradise | Peter Derek Sell | Cambridge University | 14/6/1961 | BM |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Sheep's Green | J Gina Murrell Peter Derek Sell | | 21/3/1991 | CGE |
| Salix alba x babylonica = S. x sepulcralis var. chrysocoma | GB, VC29 Cambridgeshire, Cambridge, Sheep's Green | J Gina Murrell Peter Derek Sell | | 21/3/1991 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Chippenham Fen | Peter Derek Sell | | 19/6/1987 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Elsworth | J Gina Murrell Peter Derek Sell | | 28/8/1991 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Kneesworth | Peter Derek Sell | | 9/9/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Kneesworth | Peter Derek Sell | | 9/9/1986 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Little Gransden | J Gina Murrell Peter Derek Sell | | 3/5/1991 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Meldreth | Peter Derek Sell | | 15/8/1990 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Over | J Gina Murrell Peter Derek Sell | | 29/8/1991 | CGE |