| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Albert Bruce Jackson | Albert Bruce Jackson Charles Bailey | 8/1898 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Alfred Fryer Frederick Thompson Mott Charles Bailey | 7/1885 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Alfred Fryer Charles Bailey | 7/1885 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Charles Bailey | 4/8/1890 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Alfred Fryer | Charles Bailey Edgar Franklin Cooper | 11/9/1890 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Botanical Exchange Club of The British Isles Charles Bailey | 8/1891 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Botanical Exchange Club of The British Isles | 8/7/1892 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Edgar Franklin Cooper | Alfred Fryer Charles Bailey | 23/7/1897 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Quorndon | Frances Louisa Foord-Kelcey | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 19/8/1907 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC56 Nottinghamshire, Wiseton,Drakeholes | George Taylor | | 2/8/1941 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Bakewell | Charles Bailey | Charles Bailey | 14/7/1876 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Borrowash | Arthur Waters Preston William Hunt Painter | Charles Bailey | 12/6/1893 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Bretby | | Repton School Herbarium | 25/6/1952 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Cromford | Charles Bailey | Charles Bailey | 18/7/1884 21/7/1884 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Dove Dale [Dovedale] | William Hunt Painter | Manchester Museum (Owens College) William Hunt Painter | 8/1885 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Dovedale | Charles Bailey | Charles Bailey | 30/5/1863 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Dovedale | Charles Bailey | Charles Bailey | 22/4/1905 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC57 Derbyshire, Killarmarsh | William Richardson Linton | Manchester Museum Charles Bailey | 11/8/1897 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Lathkill | Bowman | Bowman | 8/1833 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Miller's Dale | John Barrow | Charles Bailey John Barrow | 14/8/1869 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Millers Dale | Charles Bailey | Charles Bailey | 20/6/1874 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC57 Derbyshire, Ockbrook | Alexander Cossart Hasse | Alexander Cossart Hasse | 6/1884 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC57 Derbyshire, Renishaw Canal | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey William Richardson Linton | 1/8/1900 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC57 Derbyshire, Renishaw Canal | George Claridge Druce | Botanical Exchange Club of The British Isles George Claridge Druce | 10/1911 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, River Dove | | Thomas Barker | 7/1878 | MANCH |
| Potamogeton crispus | GB, VC57 Derbyshire, Stanton | William Hunt Painter | Manchester Museum (Owens College) William Hunt Painter | 22/5/1895 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Birkenhead,Great Meols | Charles Bailey | Charles Bailey | 8/6/1892 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Chester | John Harbord Lewis | Charles Bailey John Harbord Lewis | 15/5/1875 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Chester | John Harbord Lewis | Charles Bailey John Harbord Lewis | 17/6/1875 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, Chester Cultivated | Alfred Fryer | Charles Bailey | 29/7/1890 to 4/8/1890 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, Chester | Christopher Robert Billups | Charles Bailey | 11/9/1891 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, Chester | Christopher Robert Billups | Alfred Fryer Charles Bailey | 24/7/1897 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, Chester | Christopher Robert Billups | Charles Bailey | 24/7/1897 | MANCH |
+ | Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC58 Cheshire, Chester (12 miles south of) | Christopher Robert Billups | | 11/9/1891 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Dutton Locks | W Horton-Smith | | 22/8/1907 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Dutton Locks | W Horton-Smith | W Horton-Smith | 22/8/1917 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Frodsham | Charles Bailey | Charles Bailey | 30/8/1868 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Leasowe | Charles Bailey | Charles Bailey | 7/8/1886 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Macclesfield,High Billinge | B R Lucas | | 4/8/1916 | MANCH |
| Potamogeton crispus | GB, VC58 Cheshire, Mobberley | Spencer Henry Bickham | Charles Bailey John Barrow | 7/1868 | MANCH |