| Butomus umbellatus | GB, VC38,VC39, Tamworth | | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Butomus umbellatus | GB, VC55 Leicestershire, Leicester | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1886 | MANCH |
| Butomus umbellatus | GB, VC55 Leicestershire, Swans Mill | | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
+ | Calamintha arvensis | GB, VC55 Leicestershire, Saltby | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1886 | MANCH |
| Caltha palustris var. guerangerii | GB, VC55 Leicestershire, Wanlip | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 5/1883 | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Allexton Wood | Lester Vallis Lester-Garland | Charles Bailey Frederick Thompson Mott Thomas Thorp | 4/6/1900 | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Breedon Cloud Wood | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 4/7/1878 | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Leicester (NW of) | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1856 | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Sheet Hedges Wood | G Robson | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Wanlip | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1881 | MANCH |
| Campanula latifolia | GB, VC55 Leicestershire, Wanlip | | Frederick Thompson Mott Thomas Thorp | 8/1881 | MANCH |
| Campanula latifolia | GB, VC57 Derbyshire, Matlock | Almeria Hamond | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1837 | MANCH |
| Campanula latifolia | GB, VC65 North-west Yorkshire, Richmond | Almeria Hamond | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1843 | MANCH |
| Campanula trachelium | GB, VC55 Leicestershire, Loddington | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 30/8/1888 | MANCH |
| Campanula trachelium | GB, VC55 Leicestershire, Loddington Wood | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 30/8/1888 | MANCH |
| Campanula trachelium | GB, VC55 Leicestershire, Owston Wood | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 25/7/1883 | MANCH |
+ | Cardamine impatiens | GB, VC55 Leicestershire | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1888 | MANCH |
+ | Carex diandra | GB, VC55 Leicestershire, Groby Pool | G Robson | Charles Bailey Frederick Thompson Mott G Robson Thomas Thorp | 1877 | MANCH |
+ | Carex diandra | GB, VC55 Leicestershire, Groby Pool | G Robson | Charles Bailey Frederick Thompson Mott Thomas Thorp | 4/7/1883 | MANCH |
+ | Carex divisa | GB, VC4 North Devon, Lynton | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1871 | MANCH |
+ | Carex muricata subsp. lamprocarpa | GB, VC87 West Perthshire, Fossaway [Fossoway] | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1875 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Bradgate House | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/6/1878 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Buddon Wood, Quorn | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 25/5/1878 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Charnwood Forest | | Manchester Museum Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1844 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Groby Pool | | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Martinshaw Wood, Ratby | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 11/6/1884 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Nailstone Wiggs | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 12/7/1882 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Owston Wood | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 30/6/1880 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Woodhouse | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 10/6/1883 | MANCH |
| Carex pallescens | GB, VC55 Leicestershire, Woodhouse Eaves | | Manchester Museum Charles Bailey Frederick Thompson Mott Thomas Thorp | 10/6/1883 | MANCH |
| Carex pallescens | GB, VC87 West Perthshire, Fossaway [Fossoway] | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1875 | MANCH |
| Carex pallescens | GB, Scotland | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1875 | MANCH |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC10 Isle of Wight, Newchurch | James Henry Augustus Steuart | Charles Bailey Frederick Thompson Mott James Henry Augustus Steuart Henry Peter Reader Thomas Thorp | 5/1893 | MANCH |
| Carex pseudocyperus | GB, VC55 Leicestershire, Cropston | Thomas Arthur Preston | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1/8/1897 | MANCH |
| Carex pseudocyperus | GB, VC55 Leicestershire, Thurcaston | | Manchester Museum Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1889 | MANCH |
+ | Carum carvi | GB, VC55 Leicestershire, Bardon Hill | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 4/7/1878 | MANCH |
+ | Cerastium alpinum | GB, VC86 Stirlingshire, Ben Lomond | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1849 | MANCH |
| Ceratocapnos claviculata | GB, VC69 Westmorland, Hawkshead | T Holland | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1867 | MANCH |
+ | Chenopodium bonus-henricus | GB, VC48 Merionethshire, Lake Bala | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1873 | MANCH |
+ | Chenopodium bonus-henricus | GB, VC55 Leicestershire, Birstall | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1886 | MANCH |