| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC29 Cambridgeshire, Parson Ware Drove, Benwick | Alfred Fryer | Augustin Ley | 22/8/1892 | BIRM |
| Aster novi-belgii | GB, VC29 Cambridgeshire, Sutton | Alfred Fryer | Botanical Exchange Club of The British Isles Alfred Fryer Augustin Ley | 11/10/1887 | BIRM |
| Potamogeton coloratus | GB, VC29 Cambridgeshire, Sutton | Alfred Fryer | Augustin Ley | 7/5/1888 | BIRM |
| Potamogeton crispus | GB, VC29 Cambridgeshire, Sutton Gault | Alfred Fryer | Augustin Ley | 8/2/1888 | BIRM |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Sutton Gault | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 13/9/1892 | BIRM |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | | 27/6/1884 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 27/6/1884 | BIRM |
| Potamogeton pectinatus | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 12/8/1887 to 22/8/1887 | BIRM |
| Potamogeton pectinatus | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 12/8/1887 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Arthur Bennett Augustin Ley | 14/8/1887 | BIRM |
| Potamogeton coloratus | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Augustin Ley | 28/1/1888 | BIRM |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Augustin Ley | 23/5/1888 | BIRM |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 6/8/1888 | BIRM |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Harold Stuart Thompson | 15/9/1894 | BIRM |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC29 Cambridgeshire, Whittlesea,Blackbush Drain | Alfred Fryer | Alfred Fryer Charles Bailey | 22/6/1895 | BIRM |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC29 Cambridgeshire, Whittlesea,Blackbush Drain | Alfred Fryer | Alfred Fryer Charles Bailey | 22/6/1895 | BIRM |
| Carex elata | GB, VC29 Cambridgeshire, Wimblington | Alfred Fryer | Arthur Bennett | 12/6/1884 | BIRM |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Witcham | Alfred Fryer | Augustin Ley | 31/5/1888 | BIRM |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Witcham | Alfred Fryer | Augustin Ley | 17/7/1888 | BIRM |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Witcham Meadlands | Alfred Fryer | Augustin Ley Botanical Exchange Club of The British Isles | 23/6/1888 | BIRM |
| Ceratophyllum demersum | GB, VC31 Huntingdonshire, Bluntisham Stanch | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 24/8/1887 | BIRM |
| Eleogiton fluitans | GB, VC31 Huntingdonshire, Farcet | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 4/9/1888 | BIRM |
| Galium saxatile | GB, VC31 Huntingdonshire, Holme Fen | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 3/7/1885 15/9/1886 | BIRM |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Pidley Fen | Alfred Fryer | Augustin Ley | 4/6/1888 | BIRM |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Pidley Fen | Alfred Fryer | Augustin Ley | 11/10/1891 | BIRM |
| Potamogeton pectinatus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 21/8/1885 | BIRM |
| Potamogeton coloratus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 25/8/1886 | BIRM |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 31/5/1887 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 10/7/1888 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 25/7/1888 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Augustin Ley | 29/7/1888 | BIRM |
| Potamogeton praelongus | GB, VC31 Huntingdonshire, River Ouse | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 28/8/1884 | BIRM |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Stocking Fen | Alfred Fryer | Augustin Ley | 19/6/1888 | BIRM |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Stocking Fen | Alfred Fryer | Augustin Ley | 19/6/1888 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Warboys | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 30/7/1897 | BIRM |
| Potamogeton perfoliatus | GB, VC29,VC31, Old Bedford River | Alfred Fryer | Augustin Ley | 25/5/1888 | BIRM |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Alfred Fryer E F Cooper | Botanical Exchange Club of The British Isles Augustin Ley | 8/1891 | BIRM |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, River Dee Cultivated | Alfred Fryer | Augustin Ley | 31/8/1892 | BIRM |
+ | Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, River Dee 12 miles above Chester | Alfred Fryer | | 31/8/1892 | BIRM |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC86 Stirlingshire, Falkirk | John Stirling Stirling Robert Kidston | Augustin Ley Alfred Fryer | 8/8/1892 | BIRM |