| Centaurea calcitrapa | GB, VC3 South Devon, Exmouth | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 7/7/1859 | SLBI |
| Pinguicula lusitanica | GB, VC3 South Devon, Haldon | | Allan Octavian Hume Frederick Townsend | 1/7/1828 | SLBI |
| 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 |
| Ulex gallii | GB, VC3 South Devon, Hopes Nose | | Allan Octavian Hume Frederick Townsend | 1/1864 | SLBI |
| Persicaria lapathifolia | GB, VC3 South Devon, Ivybridge | Thomas Richard Archer Briggs | Frederick Townsend | 15/9/1877 | SLBI |
| Odontites vernus subsp. serotinus | GB, VC3 South Devon, Kingsbridge | Edward Shearburn Marshall | Frederick Townsend | 7/7/1894 | SLBI |
| Scrophularia scorodonia | GB, VC3 South Devon, Kingsbridge | Edward Shearburn Marshall | Frederick Townsend | 25/6/1894 | SLBI |
| Rumex rupestris | GB, VC3 South Devon, Kingston | Thomas Richard Archer Briggs | Allan Octavian Hume Frederick Townsend | 10/7/1876 | SLBI |
| Rosa obtusifolia subsp. tomentella | GB, VC3 South Devon, Lee Mill Bridge | Thomas Richard Archer Briggs | Frederick Townsend | 13/7/1870 | SLBI |
| Centaurium erythraea var. capitatum | GB, VC3 South Devon, Malborough | Edward Shearburn Marshall | Allan Octavian Hume Edward Shearburn Marshall Frederick Townsend | 9/7/1894 | SLBI |
| Lobelia urens | GB, VC3 South Devon, Maristow | William Strong Hore | Botanical Society of Edinburgh Frederick Townsend | 9/1839 | SLBI |
| Polygonum oxyspermum | GB, VC3 South Devon, Mothecombe | Edward Shearburn Marshall | Allan Octavian Hume Frederick Townsend | 7/1894 | SLBI |
| Cerastium diffusum | GB, VC3 South Devon, Paignton | Frederick Townsend | Allan Octavian Hume | 5/1876 | SLBI |
| Stellaria media | GB, VC3 South Devon, Paignton | Frederick Townsend | Frederick Townsend | 27/4/1876 | SLBI |
| Vicia sativa | GB, VC3 South Devon, Paignton | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 8/5/1876 | SLBI |
| Arenaria serpyllifolia | GB, VC3 South Devon, Petit Tor | Frederick Townsend | Allan Octavian Hume | 5/1858 | SLBI |
| Carduus pycnocephalus | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Frederick Townsend | 1/7/1878 | SLBI |
| Cochlearia danica | GB, VC3 South Devon, Plymouth | Joseph Woods | Allan Octavian Hume Frederick Townsend | 30/4/1847 | SLBI |
| Hypericum undulatum | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Allan Octavian Hume Frederick Townsend | 10/9/1870 | SLBI |
| Linum perenne subsp. anglicum | GB, VC3 South Devon, Plymouth | Joseph Woods | Allan Octavian Hume Frederick Townsend | 27/9/1843 | SLBI |
| Rosa agrestis | GB, VC3 South Devon, Plymouth | Thomas Richard Archer Briggs | Frederick Townsend | | SLBI |
| Fumaria muralis subsp. boraei | GB, VC3 South Devon, Ringmore | Edward Shearburn Marshall | Allan Octavian Hume Frederick Townsend | 21/6/1894 | SLBI |
| Galium album | GB, VC3 South Devon, Ringmore | Edward Shearburn Marshall | Frederick Townsend | 16/7/1894 | SLBI |
| Salsola kali | GB, VC3 South Devon, River Avon | Joseph Woods | Allan Octavian Hume Frederick Townsend | 25/9/1843 | SLBI |
| Carex leporina | GB, VC3 South Devon, River Plym | William Strong Hore | Frederick Townsend William Strong Hore | 6/1876 | SLBI |
| Sorbus devoniensis | GB, VC3 South Devon, Roborough | Thomas Richard Archer Briggs | Allan Octavian Hume Frederick Townsend | 25/5/1871 | SLBI |
| Fumaria capreolata subsp. babingtonii | GB, VC3 South Devon, Salcombe | Edward Shearburn Marshall | Frederick Townsend | 21/6/1894 | SLBI |
| Isolepis cernua | GB, VC3 South Devon, Seaton | Joseph Woods | Frederick Townsend | 6/1828 | SLBI |
| Lathyrus aphaca | GB, VC3 South Devon, Seaton | Joseph Woods | Allan Octavian Hume Frederick Townsend Joseph Woods | 6/1828 | SLBI |
| Apium inundatum | GB, VC3 South Devon, Slapton Ley | | Allan Octavian Hume Frederick Townsend | 8/1828 | SLBI |
| Corrigiola litoralis | GB, VC3 South Devon, Slapton Sands | Christopher Edmund Broome | Botanical Society of Edinburgh Frederick Townsend | 8/1847 | SLBI |
| Lithospermum purpureocaeruleum | GB, VC3 South Devon, Tor Bay | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 6/1858 | SLBI |
| Juncus maritimus | GB, VC3 South Devon, Torbay | Joseph Woods | Frederick Townsend | 7/1828 | SLBI |
| Anagallis arvensis | GB, VC3 South Devon, Torquay | Frederick Townsend | Allan Octavian Hume | 6/1856 | SLBI |
| Barbarea verna | GB, VC3 South Devon, Torquay | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 5/1858 | SLBI |
| Carduus tenuiflorus | GB, VC3 South Devon, Torquay | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 6/1858 | SLBI |
| Carex pulicaris | GB, VC3 South Devon, Torquay | | Allan Octavian Hume Frederick Townsend | 1861 | SLBI |
| Centranthus ruber | GB, VC3 South Devon, Torquay | A Hamburgh | Frederick Townsend | 9/1840 | SLBI |
| Cerastium fontanum subsp. vulgare | GB, VC3 South Devon, Torquay | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 5/5/1858 | SLBI |
| Cerastium fontanum subsp. vulgare | GB, VC3 South Devon, Torquay | Frederick Townsend | Allan Octavian Hume | 3/4/1876 | SLBI |