 | Aconitum napellus | GB, VC36 Herefordshire, Little Hereford | William Charles Richard Watson | | 14/6/1946 | SLBI |
 | Alchemilla alpina | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Alchemilla glabra | GB, VC42 Breconshire, Penderyn | William Charles Richard Watson | William Charles Richard Watson | 16/6/1946 | SLBI |
 | Armeria maritima | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 7/1927 | SLBI |
 | Callitriche obtusangula | GB, VC16 West Kent, Tunbridge Wells | Herbert Cecil Pugsley Herbert William Pugsley | William Charles Richard Watson | 31/5/1931 | SLBI |
 | Carex atrata | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Carex contigua | GB, VC17 Surrey, Wimbledon Common | William Charles Richard Watson | William Charles Richard Watson | 25/6/1946 | SLBI |
 | Carex divulsa | GB, VC17 Surrey, Wimbledon Common | William Charles Richard Watson | | 25/6/1943 | SLBI |
 | Carex echinata | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 12/7/1927 | SLBI |
 | Carex nigra | GB, VC17 Surrey, Wimbledon Common | William Charles Richard Watson | | 14/5/1946 | SLBI |
 | Cerastium alpinum | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Crataegus laevigata | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | Allan Octavian Hume | 1/7/1911 | SLBI |
 | Dactylorhiza fuchsii | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 7/1927 | SLBI |
 | Draba norvegica | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Eleocharis quinqueflora | GB, VC42 Breconshire, Penderyn | | William Charles Richard Watson | 16/6/1946 | SLBI |
 | Euphrasia curta | GB, VC17 Surrey, Selsdon Wood | | William Charles Richard Watson | 2/10/1946 | SLBI |
 | Foeniculum vulgare | GB, VC37 Worcestershire, Upton on Severn | William Charles Richard Watson | | 13/6/1946 | SLBI |
 | Frangula alnus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | Allan Octavian Hume | 22/7/1911 | SLBI |
 | Gentianella campestris | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 7/1927 | SLBI |
 | Hieracium | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Hieracium cillense | GB, VC42 Breconshire, Craig y Cilau | William Charles Richard Watson | | 15/6/1946 | SLBI |
 | Hieracium sect. Hieracium | GB, VC35 Monmouthshire, Tintern,Wyndcliff | William Charles Richard Watson | William Charles Richard Watson | 19/6/1946 | SLBI |
 | Juncus trifidus | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Lepidium campestre | GB, VC17 Surrey, Beverley Flat | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Luzula multiflora subsp. congesta | GB, VC17 Surrey, Putney Heath | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Melampyrum sylvaticum | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Melampyrum sylvaticum | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Minuartia rubella | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | William Charles Richard Watson | 8/7/1927 | SLBI |
 | Pedicularis palustris | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 7/1927 | SLBI |
 | Persicaria vivipara | GB, VC88 Mid Perthshire, Ben Lawers | William Charles Richard Watson | | 8/7/1927 | SLBI |
 | Populus nigra | GB, VC16 West Kent, High Elms | William Charles Richard Watson | William Charles Richard Watson | 29/6/1946 | SLBI |
 | Rorippa nasturtium-aquaticum | GB, VC42 Breconshire, Penderyn | William Charles Richard Watson | William Charles Richard Watson | 16/6/1946 | SLBI |
 | Rosa agrestis | GB, VC17 Surrey, Wimbledon Common | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Rosa caesia subsp. caesia | GB, VC17 Surrey, Wimbledon Common | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Rosa canina | GB, VC17 Surrey, Wimbledon | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Rosa canina x sherardii = R. x rothschildii | GB, VC17 Surrey, Wimbledon | William Charles Richard Watson | | 25/6/1946 | SLBI |
 | Rosa obtusifolia subsp. tomentella | GB, VC17 Surrey, Horsell Common | W Biddiscombe | William Charles Richard Watson | 24/8/1931 | SLBI |
 | Rosa obtusifolia subsp. tomentella | GB, VC17 Surrey, Rose Copse | William Charles Richard Watson | | 26/6/1946 | SLBI |
 | Rubus | GB, VC14 East Sussex, Wych Cross | William Charles Richard Watson | William Charles Richard Watson | 16/7/1936 | SLBI |
 | Rubus acclivitatum | GB, VC3 South Devon, Cornwood | William Charles Richard Watson | William Charles Richard Watson | 21/7/1939 | SLBI |