| Stachys sylvatica x palustris = S. x ambigua | GB, VC38 Warwickshire, Beausale Common | Henry Bromwich | Augustin Ley | 9/1871 | BIRM |
| Chrysanthemum parthenium | GB, VC38 Warwickshire, Becknall common | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1899 | BIRM |
| Lotus glaber | GB, VC38 Warwickshire, Berkswell | Henry Bromwich | Botanical Exchange Club of The British Isles William Hadden Beeby Robert Large Baker | 7/1884 | SLBI |
| Lotus glaber | GB, VC38 Warwickshire, Berkswell | Henry Bromwich | Botanical Exchange Club of The British Isles Robert Large Baker William Hunt Painter | 7/1884 | ABS |
| Avena fatua | GB, VC38 Warwickshire, Bilton | Henry Bromwich | Botanical Exchange Club of The British Isles | 8/1889 | ABS |
+ | Caucalis platycarpos | GB, VC38 Warwickshire, Binton | Henry Bromwich | Charles Bailey | 6/1895 | MANCH |
| Caucalis platycarpos | GB, VC38 Warwickshire, Binton | Henry Bromwich | | 6/1875 | SLBI |
| Caucalis platycarpos | GB, VC38 Warwickshire, Binton | Henry Bromwich | George Stephen West | 6/1875 | BIRM |
| Tragopogon pratensis subsp. orientalis | GB, VC38 Warwickshire, Binton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 7/1892 | BIRM |
| Alisma lanceolatum | GB, VC38 Warwickshire, Birdingbury | Henry Bromwich | | 7/1870 | BON |
| Oenanthe fluviatilis | GB, VC38 Warwickshire, Birdingbury | Henry Bromwich | Augustin Ley | 7/1870 | BIRM |
| Helictotrichon pratense | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Edward Hackel | 7/1894 | ABS |
| Helictotrichon pratense | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1899 | BIRM |
| Scrophularia umbrosa | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Royal Botanic Gardens, Kew William Booth Waterfall M Bowen | 9/1877 | E |
+ | Vicia parviflora | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 8/1899 | MANCH |
+ | Vicia parviflora | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 8/1899 | MANCH |
| Vicia tetrasperma | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1899 | ABS |
| Avena pratensis subsp. longifolia | GB, VC38 Warwickshire, Bishops Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 7/1888 | SHYB |
| Rosa spinosissima x mollis = R. x sabinii | GB, VC38 Warwickshire, Bishops Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles | 7/1887 | ABS |
| Barbarea vulgaris | GB, VC38 Warwickshire, Bishopton | Henry Bromwich | Botanical Exchange Club of The British Isles William Hadden Beeby | 9/1884 | SLBI |
| Barbarea vulgaris var. arcuata | GB, VC38 Warwickshire, Bishopton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1884 | BIRM |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Budbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 8/1886 | MANCH |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Budbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1886 | BIRM |
| Crocus nudiflorus | GB, VC38 Warwickshire, Budbrooke | Henry Bromwich | | 9/1871 | BON |
| Crocus nudiflorus | GB, VC38 Warwickshire, Budbrooke | Henry Bromwich | Botanical Exchange Club of The British Isles Albert Bruce Jackson Albert Bruce Jackson | 10/1899 | ABS |
| Cynoglossum germanicum | GB, VC38 Warwickshire, Budbrooke | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter Henry Bromwich | 6/1872 | ABS |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Budbrooke | Henry Bromwich | | 8/1886 | ABS |
| Caucalis platycarpos | GB, VC38 Warwickshire, Burton | Henry Bromwich | George Stephen West John Harbord Lewis | 6/1875 | BIRM |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 4/1887 | MANCH |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles William Hadden Beeby | 4/1887 | SLBI |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | | 4/1887 | BSBI |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 4/1887 | BIRM |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Lomax | 4/1887 | MANCH |
| Caltha palustris var. guerangerii | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Elizabeth Anne Lomax | 4/1875 | MANCH |
| Tragopogon pratensis subsp. orientalis | GB, VC38 Warwickshire, Burton Green, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 6/1894 | BIRM |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Chesford Bridge, Kenilworth | Albert Bruce Jackson Henry Bromwich | Albert Bruce Jackson Augustin Ley Botanical Exchange Club of The British Isles | 15/7/1900 | BIRM |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Chesford Bridge, Kenilworth | Albert Bruce Jackson Henry Bromwich | Botanical Exchange Club of The British Isles Albert Bruce Jackson Edward Francis Linton William Hunt Painter | 15/7/1900 | ABS |
| Brachypodium pinnatum | GB, VC38 Warwickshire, Chesterton | Albert Bruce Jackson Henry Bromwich | Botanical Exchange Club of The British Isles Albert Bruce Jackson Augustin Ley | 18/7/1897 | BIRM |
| Brachypodium sylvaticum | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1890 | BIRM |
| Bromopsis erecta | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Augustin Ley | 7/1878 | BIRM |