| Malva pusilla | GB, VC34 West Gloucestershire, Avonmouth | Ida Mary Roper | Watson Botanical Exchange Club Isaac A Helsby | 28/10/1925 | SLBI |
| Malva pusilla | GB, VC34 West Gloucestershire, Avonmouth | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 28/10/1925 | SLBI |
| Taraxacum | GB, VC34 West Gloucestershire, Avonmouth | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper Job Edward Lousley | 28/4/1927 | SLBI |
| Torilis nodosa | GB, VC34 West Gloucestershire, Avonmouth | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 26/9/1927 | BIRM |
| Veronica serpyllifolia | GB, VC34 West Gloucestershire, Avonmouth | Ida Mary Roper | Botanical Society & Exchange Club of The British Isles Charles Edward Britton Ida Mary Roper | 10/5/1927 | K |
| Amaranthus retroflexus | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Watson Botanical Exchange Club | 19/8/1926 | SLBI |
| Amaranthus retroflexus | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Ida Mary Roper Job Edward Lousley | 19/8/1926 | SLBI |
| Arenaria serpyllifolia | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper Job Edward Lousley | 4/7/1932 | SLBI |
| Arenaria serpyllifolia var. vicidula | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper | 4/7/1932 | SLBI |
| Trifolium hybridum | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Watson Botanical Exchange Club | 11/8/1920 | SLBI |
| Viola odorata | GB, VC34 West Gloucestershire, Beach | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 21/4/1917 30/6/1917 | BIRM |
| Buxus sempervirens | GB, VC34 West Gloucestershire, Boxwell | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper | 10/4/1923 | SLBI |
| Anthoxanthum odoratum | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 22/5/1919 | BIRM |
| Carex divulsa subsp. divulsa | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Frederick Janson Hanbury Ida Mary Roper | 22/6/1910 | BM |
| Carex divulsa subsp. leersii | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Albert John Crosfield Ida Mary Roper | 22/6/1910 | BM |
| Carex divulsa subsp. leersii | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper Patrick Martin Hall William Charles Barton | 22/6/1910 | BM |
| Carex divulsa subsp. leersii | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 22/6/1910 | E |
| Carex divulsa subsp. leersii | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Augustin Ley Ida Mary Roper | 22/6/1910 | BIRM |
| Carex muricata subsp. pairae | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Richard Barker Ullman Botanical Exchange Club of The British Isles Patrick Martin Hall | 22/6/1910 | SLBI |
| Cephalanthera damasonium | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Harold Stuart Thompson | 6/1916 | BIRM |
| Coriandrum sativum | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 13/7/1916 | BIRM |
| Populus tremula | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 11/3/1922 to 20/10/1922 | SLBI |
| Reseda alba | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson | 22/8/1917 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Bristol | Ida Mary Roper | Watson Botanical Exchange Club | 11/6/1918 to 19/9/1918 | SLBI |
| Chenopodium rubrum | GB, VC34 West Gloucestershire, Bristol, Saint Philip's Marsh | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 16/10/1922 | SLBI |
| Hieracium sect. Vulgata | GB, VC34 West Gloucestershire, Bristol, Saint Philip's Marsh | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 30/8/1918 | SLBI |
| Rumex crispus | GB, VC34 West Gloucestershire, Bristol, Saint Philip's Marsh | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 22/6/1916 | BIRM |
| Sisymbrium hispanicum | GB, VC34 West Gloucestershire, Bristol, Saint Philip's Marsh | Ida Mary Roper | Watson Botanical Exchange Club Augustin Ley Ida Mary Roper | 30/6/1909 | BIRM |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Bristol,Filton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper Job Edward Lousley | 8/7/1928 to 11/9/1928 | SLBI |
| Rosa canina var. borreri | GB, VC34 West Gloucestershire, Charfield | Ida Mary Roper | Watson Botanical Exchange Club | 17/7/1918 | SLBI |
| Circaea lutetiana var. cordifolia | GB, VC34 West Gloucestershire, Clifton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 13/7/1928 | SLBI |
| Geranium purpureum | GB, VC34 West Gloucestershire, Clifton | Ida Mary Roper | | 28/6/1924 | SLBI |
| Symphytum tuberosum | GB, VC34 West Gloucestershire, Compton Greenfield | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 11/5/1921 | SLBI |
| Symphytum tuberosum | GB, VC34 West Gloucestershire, Compton Greenfield | Ida Mary Roper | Harold Stuart Thompson | 11/5/1921 | BIRM |
| Gagea lutea | GB, VC34 West Gloucestershire, Dyrham | Harold Stuart Thompson Ida Mary Roper | Harold Stuart Thompson | 7/4/1933 | BIRM |
| Bromus secalinus | GB, VC34 West Gloucestershire, Eastville, Bristol | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 24/6/1921 | BIRM |
| Malva moschata | GB, VC34 West Gloucestershire, Filton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 7/7/1928 | SLBI |
| Rosa canina x obtusifolia = R. x dumetorum | GB, VC34 West Gloucestershire, Filton | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 8/7/1928 11/9/1928 | SLBI |
| Rosa squarrosa | GB, VC34 West Gloucestershire, Filton | Ida Mary Roper | Botanical Exchange Club of The British Isles Patrick Martin Hall | 8/7/1928 to 11/9/1928 | SLBI |
| Hieracium argillaceum | GB, VC34 West Gloucestershire, Fishponds | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 27/7/1918 | SLBI |