| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC16 West Kent, Plumstead | Joseph Barnabas French | Augustin Ley Frederick Morgan Webb | | BIRM |
+ | Carex ericetorum | | Frederick Morgan Webb | Royal Botanic Garden, Edinburgh Charles Bailey | | MANCH |
+ | Juncus castaneus | GB, VC90 Angus, Clova | Isaac Bayley Balfour | Charles Bailey Frederick Morgan Webb | | MANCH |
| Salix aurita x repens = S. x ambigua | GB, VC108 West Sutherland, Loch Naver | | Liverpool University Frederick Morgan Webb | | LIV |
| Carex maritima | GB, VC90 Angus, Usan | Andrew Kerr | Royal Botanic Garden, Edinburgh Frederick Morgan Webb | 6/1838 | BM |
| Carex x helvola | GB, VC92 South Aberdeenshire, Lochnagar | John Hutton Balfour | Arthur Bennett Frederick Morgan Webb Charles Edgar Salmon | 11/8/1846 | BM |
+ | Sibbaldia procumbens | GB, VC88 Mid Perthshire, Meall nan Tarmachan | Frederick Morgan Webb | W Horton-Smith | 14/8/1848 | MANCH |
+ | Primula farinosa | GB, VC62 North-east Yorkshire, Ashberry Pastures | Frederick Morgan Webb | Charles Bailey Charles Bailey John Harbord Lewis | 6/1860 | MANCH |
| Rhinanthus angustifolius | GB, VC96 East Inverness-shire, Nairnshire | Frederick Morgan Webb | William Hadden Beeby | 4/7/1864 | SLBI |
| Coincya monensis subsp. monensis | GB, VC58 Cheshire, Wallasey | Frederick Morgan Webb | Augustin Ley | 5/1866 | BIRM |
| Ranunculus baudotii | GB, VC58 Cheshire, Wallasey | Frederick Morgan Webb | Augustin Ley | 5/1866 | BIRM |
| Ranunculus omiophyllus | GB, VC58 Cheshire, Oxton Heath | Frederick Morgan Webb | Frederick Townsend | 5/1866 | SLBI |
+ | Tuberaria guttata | GB, VC52 Anglesey, Holyhead | Frederick Morgan Webb | Charles Bailey Frederick Morgan Webb | 5/1866 | MANCH |
| Ranunculus baudotii | GB, VC58 Cheshire, Wallasey | Frederick Morgan Webb | Frederick Morgan Webb | 7/1866 | SLBI |
| Tuberaria guttata | GB, VC52 Anglesey, Holyhead Mountain | Frederick Morgan Webb | Dulwich College | 8/1866 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Anglesea | Frederick Morgan Webb | | 9/1866 | BON |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | Frederick Morgan Webb | John Thomas Irvine Boswell-Syme Arthur Bennett Frederick Janson Hanbury | 9/1866 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, River Lligwy | Frederick Morgan Webb | Frederick Morgan Webb | 9/1866 | MANCH |
+ | Lycopodiella inundata | GB, VC58 Cheshire, Oxton Heath | Frederick Morgan Webb | Charles Bailey | 22/7/1872 | MANCH |
+ | Vicia lutea | GB, VC59 South Lancashire, Linacre, Liverpool. on ballast | Frederick Morgan Webb John Harbord Lewis | Charles Bailey John Harbord Lewis | 1/8/1872 | MANCH |
| Consolida ajacis | GB, VC58 Cheshire, Little Brighton Cultivated | Frederick Morgan Webb John Harbord Lewis | Charles Bailey John Harbord Lewis | 8/8/1872 | MANCH |
+ | Anagallis minima | GB, VC58 Cheshire, Thurstaston | Frederick Morgan Webb John Harbord Lewis | Charles Bailey John Harbord Lewis | 31/8/1872 | MANCH |
| Caltha palustris var. guerangerii | GB, VC58 Cheshire, Birkenhead, Noctorum | Frederick Morgan Webb | Charles Bailey John Harbord Lewis | 9/5/1873 | MANCH |
| Ceratocapnos claviculata | GB, VC58 Cheshire, Wirral | Frederick Morgan Webb | Charles Bailey John Harbord Lewis | 9/5/1873 | MANCH |
+ | Teesdalia nudicaulis | GB, VC58 Cheshire, Acton | Frederick Morgan Webb | Charles Bailey John Harbord Lewis | 10/5/1873 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC58 Cheshire, Ledsham | Frederick Morgan Webb John Harbord Lewis | John Harbord Lewis | 21/6/1873 | BM |
| Rorippa microphylla | GB, VC58 Cheshire, Willaston (Wirral) | Frederick Morgan Webb John Harbord Lewis | Charles Bailey John Harbord Lewis | 21/6/1873 | MANCH |
| Callitriche obtusangula | GB, VC58 Cheshire, Frodsham | Frederick Morgan Webb | Charles Bailey Frederick Morgan Webb | 8/7/1875 | MANCH |
| Callitriche obtusangula | GB, VC58 Cheshire, Frodsham | Frederick Morgan Webb | | 8/7/1875 | K |
+ | Ophrys sphegodes | GB, VC15 East Kent, Hartlip | Frederick Morgan Webb | Charles Bailey | 24/4/1876 | MANCH |
+ | Ophrys sphegodes | GB, VC15 East Kent, Hartlip | Frederick Morgan Webb | Charles Bailey | 24/4/1876 | MANCH |
| Ophrys sphegodes | GB, VC15 East Kent, Hartlip | Frederick Morgan Webb | Augustin Ley | 24/4/1876 | BIRM |
| Carex binervis | GB, Aberdeenshire GB, VC83 Midlothian, Edinburgh Royal Botanic Gardens Cultivated | Frederick Morgan Webb | | 19/6/1876 27/6/1876 | E |
| Carex binervis | GB, Aberdeenshire GB, VC83 Midlothian, Edinburgh Royal Botanic Gardens Cultivated | Frederick Morgan Webb | | 30/6/1876 | E |
| Ranunculus baudotii var. confusus | GB, VC83 Midlothian, Duddingston Loch | Frederick Morgan Webb | Augustin Ley | 6/7/1876 | BIRM |
| Carex pulla | GB, VC88 Mid Perthshire, Ben Laoigh [Ben Lui] | Frederick Morgan Webb | | 15/7/1876 | BON |
| Carex pulla | GB, VC88 Mid Perthshire, Ben Laoigh [Ben Lui] | Frederick Morgan Webb | Frederick Morgan Webb | 15/7/1876 | E |
| Carex binervis | GB, Aberdeenshire GB, VC83 Midlothian, Edinburgh Royal Botanic Gardens Cultivated | Frederick Morgan Webb | | 27/7/1876 | E |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC83 Midlothian, Hawthornden | Frederick Morgan Webb | Augustin Ley | 8/8/1876 | BIRM |
| Gnaphalium supinum | GB, VC88 Mid Perthshire, Breadalbane Mountains | Frederick Morgan Webb | | 14/8/1876 | MANCH |