| Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles William Hadden Beeby | 13/9/1881 | SLBI |
+ | Pyrus cordata | GB, VC3 South Devon, Estover | Thomas Richard Archer Briggs | | 13/9/1881 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Cardale Babington | 30/8/1881 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Cardale Babington | 30/8/1881 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Diptford | Thomas Richard Archer Briggs | Charles Cardale Babington | 18/8/1881 | CGE |
| Rubus dentatifolius | GB, VC3 South Devon, Cholwichtown | Thomas Richard Archer Briggs | | 6/8/1881 | SLBI |
+ | Epilobium hirsutum x montanum = E. x erroneum | GB, VC3 South Devon, Eggbuckland | Thomas Richard Archer Briggs | | 2/8/1881 | BIRM |
| Rumex rupestris x pulcher = R. x trimenii | GB, Devon, Plymouth GB, VC85 Fifeshire, Balmuto Cultivated | John Thomas Irvine Boswell-Syme Thomas Richard Archer Briggs | | 8/1881 | MANCH |
| Rubus dentatifolius | GB, VC3 South Devon, Lustleigh Cleave | Thomas Richard Archer Briggs | | 1/7/1881 | SLBI |
| Verbascum | GB, VC3 South Devon, Bovey Tracey | Thomas Richard Archer Briggs | | 22/6/1881 | K |
+ | Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Bailey | 18/5/1881 | MANCH |
+ | Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Bailey | 18/5/1881 to 13/9/1881 | MANCH |
+ | Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Bailey | 18/5/1881 to 13/9/1881 | MANCH |
+ | Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Bailey | 18/5/1881 | MANCH |
| Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles William Hunt Painter | 18/5/1881 | ABS |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Aveton Gifford | Thomas Richard Archer Briggs | Charles Cardale Babington | 5/8/1880 | CGE |
| Eleocharis parvula | GB, VC3 South Devon, Aveton Gifford | Thomas Richard Archer Briggs | William Hillhouse | 8/1880 | BIRM |
| Callitriche hamulata | GB, VC3 South Devon, River Plym | Thomas Richard Archer Briggs | Augustin Ley | 15/6/1880 | BIRM |
| Rubus micans | GB, VC3 South Devon, Teigngrace | Thomas Richard Archer Briggs | William Moyle Rogers | 4/9/1879 | SHYB |
| Rumex conglomeratus x pulcher = R. x muretii | GB, VC2 East Cornwall, Torpoint Cultivated | John Thomas Irvine Boswell-Syme Thomas Richard Archer Briggs | Botanical Exchange Club Charles Bailey | 9/1879 | MANCH |
| Rumex conglomeratus x pulcher = R. x muretii | GB, VC2 East Cornwall, Torpoint Cultivated | John Thomas Irvine Boswell-Syme Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Charles Bailey | 9/1879 | MANCH |
| Rumex conglomeratus x pulcher = R. x muretii | GB, VC85 Fifeshire, Balmuto Cultivated | John Thomas Irvine Syme Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Augustin Ley | 9/1879 | BIRM |
+ | Rumex conglomeratus x pulcher = R. x muretii | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Charles Bailey | 4/8/1879 | MANCH |
| Rumex conglomeratus x pulcher = R. x muretii | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Augustin Ley | 4/8/1879 | BIRM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club Charles Bailey | 18/7/1879 | MANCH |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | | 18/7/1879 | BM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Henry & James Groves | 18/7/1879 | BM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Edward Francis Linton Thomas Richard Archer Briggs | 10/7/1879 | BM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles John Thomas Irvine Boswell-Syme Thomas Richard Archer Briggs | 7/1879 | BM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Arthur Bennett | 7/1879 | BM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC3 South Devon, Caton | Thomas Richard Archer Briggs | Botanical Exchange Club of The British Isles Frederick Janson Hanbury | 7/1879 | BM |
+ | Viola lactea | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Botanical Exchange Club Charles Bailey | 16/6/1879 | MANCH |
+ | Pyrus cordata | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Bailey | 30/5/1879 | MANCH |
| Rubus leyanus | GB, VC2 East Cornwall, Antony | Thomas Richard Archer Briggs | | 2/9/1878 | SHYB |
| Rubus sagittarius | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | | 8/8/1878 | SLBI |
| Lolium temulentum | GB, VC3 South Devon, Plympton | Thomas Richard Archer Briggs | Augustin Ley | 3/8/1878 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Harraton | Thomas Richard Archer Briggs | Allan Octavian Hume Frederick Townsend | 30/7/1878 | SLBI |
| Carduus pycnocephalus | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Frederick Townsend | 1/7/1878 | SLBI |
| Rosa stylosa var. leucochroa | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Frederick Townsend | 25/6/1878 | SLBI |
| Crepis nicaeensis | GB, VC2 East Cornwall, Penters Cross | Thomas Richard Archer Briggs | William Hadden Beeby | 11/6/1878 | SLBI |