| Rorippa palustris | GB, VC55 Leicestershire, Moira | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 26/8/1878 | MANCH |
| Rorippa palustris | GB, VC55 Leicestershire, River Trent | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1885 | MANCH |
| Rorippa palustris | GB, VC55 Leicestershire, Thurcaston | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1885 | MANCH |
| Rorippa nasturtium-aquaticum | GB, VC38 Warwickshire, Sutton Park | J Headley Neale | Charles Bailey Frederick Thompson Mott J Headley Neale Thomas Thorp | 6/1880 | MANCH |
| Rorippa nasturtium-aquaticum | GB, VC55 Leicestershire, Near Leicester | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1843 | MANCH |
| Rorippa nasturtium-aquaticum | GB, VC55 Leicestershire, Sheet Hedges Wood | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1876 | MANCH |
| Ranunculus sardous | GB, VC55 Leicestershire, Swithland | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 23/7/1896 | MANCH |
| Ranunculus sardous | GB, VC55 Leicestershire, Swithland | Thomas Arthur Preston | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1896 | MANCH |
| Ranunculus sardous | GB, VC55 Leicestershire, Thornton Reservoir | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1894 | MANCH |
| Ranunculus bulbosus | GB, VC55 Leicestershire, Birstall | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 23/10/1878 | MANCH |
| Ranunculus bulbosus | GB, VC66 County Durham, Rowlands Gill | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/5/1867 | MANCH |
+ | Ranunculus arvensis | GB, VC55 Leicestershire, Benscliff | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1873 | MANCH |
+ | Ranunculus arvensis | GB, VC55 Leicestershire, Birstal Hill garden | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1901 | MANCH |
+ | Ranunculus arvensis | GB, VC55 Leicestershire, Bradgate Park | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1843 | MANCH |
+ | Ranunculus arvensis | GB, VC55 Leicestershire, Woodhouse Eaves | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 5/6/1876 | MANCH |
| Ranunculus acris | GB, VC6 North Somerset, Bath | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 5/1893 | MANCH |
| Ranunculus acris | GB, VC6 North Somerset, Bath | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 5/1893 | MANCH |
| Ranunculus acris | GB, VC55 Leicestershire, B. Mear Burrough Hill GB, VC55 Leicestershire, Buddon Wood | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 28/5/1872 to 24/6/1872 | MANCH |
| Ranunculus acris | GB, VC55 Leicestershire, Oadby | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 20/5/1874 | MANCH |
+ | Radiola linoides | GB, VC11 South Hampshire, New Forest | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1882 | MANCH |
+ | Radiola linoides | GB, VC28 West Norfolk, Wolferton | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1884 | MANCH |
+ | Radiola linoides | GB, VC58 Cheshire, New Brighton | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1845 | MANCH |
+ | Radiola linoides | GB, VC62 North-east Yorkshire, Strensall Common | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1881 | MANCH |
+ | Pulsatilla vulgaris | GB, VC33 East Gloucestershire, Cirencester | Frederick Thompson Mott | Charles Bailey Thomas Thorp | 5/1847 | MANCH |
+ | Pulicaria vulgaris | GB, VC17 Surrey, Godalming | Arthur Bennett | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1872 | MANCH |
| Primula vulgaris x veris = P. x polyantha | GB, VC55 Leicestershire, Newtown Linford | W E Pattison | Charles Bailey Frederick Thompson Mott Thomas Thorp | 5/1896 | MANCH |
| Primula vulgaris | GB, VC55 Leicestershire, Kinchley Lane | | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Primula vulgaris | GB, VC55 Leicestershire, Ulverscroft | H W Plant | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Primula veris | GB, VC37 Worcestershire, Stetchford | J Headley Neale | Charles Bailey Frederick Thompson Mott J Headley Neale Thomas Thorp | 5/1880 | MANCH |
| Primula veris | GB, VC55 Leicestershire, Bradgate | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1878 | MANCH |
| Primula veris | GB, VC55 Leicestershire, Sileby | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 15/8/1882 | MANCH |
| Primula veris | GB, VC55 Leicestershire, Ulvescroft Priory | | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
+ | Primula farinosa | GB, VC64 Mid-west Yorkshire, Craven Hills | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1887 | MANCH |
+ | Primula farinosa | GB, VC65,VC66, Teesdale | Thomas Gough | Charles Bailey Frederick Thompson Mott G Robson Thomas Thorp | 7/1877 | MANCH |
| Potamogeton polygonifolius | GB, VC55 Leicestershire, Beacon Hill | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1883 | MANCH |
| Potamogeton polygonifolius | GB, VC55 Leicestershire, Beaumont Leys | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1877 | MANCH |
| Potamogeton polygonifolius | GB, VC55 Leicestershire, Bradgate GB, VC55 Leicestershire, River Soar | G Robson | Charles Bailey Frederick Thompson Mott Thomas Thorp | 1877 | MANCH |
| Potamogeton polygonifolius | GB, VC55 Leicestershire, Pelder Tor | Edgar Franklin Cooper | Charles Bailey Frederick Thompson Mott Thomas Thorp | 7/1887 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC55 Leicestershire, Loughborough | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 24/7/1890 | MANCH |
| Potamogeton perfoliatus | GB, VC38 Warwickshire, Tamworth | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 12/6/1883 | MANCH |