| Crocus nudiflorus | GB, VC38 Warwickshire, Warwick | Henry Bromwich | | 10/1875 4/1974 | BON |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Albert Bruce Jackson Henry Bromwich | Watson Botanical Exchange Club Albert Bruce Jackson Harold Stuart Thompson | 27/7/1902 | BIRM |
| Medicago polymorpha | GB, VC38 Warwickshire, Kenilworth | Albert Bruce Jackson Henry Bromwich | | 27/7/1902 | BIRM |
| Limosella aquatica | GB, VC38 Warwickshire, Yarningale Common | Albert Bruce Jackson Henry Bromwich | Albert Bruce Jackson | 20/10/1901 | K |
| Brachypodium sylvaticum | GB, VC38 Warwickshire, Frankton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1900 | 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 |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Albert Bruce Jackson Henry Bromwich | Albert Bruce Jackson | 15/7/1900 | MANCH |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Albert Bruce Jackson Henry Bromwich | Albert Bruce Jackson Charles Bailey | 15/7/1900 | MANCH |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 7/1900 | MANCH |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Albert Bruce Jackson Henry Bromwich | | 7/1900 | MANCH |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 7/1900 | BIRM |
| Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 7/1900 | BIRM |
| Crocus flavus | GB, VC38 Warwickshire, Hampton on the Hill | Albert Bruce Jackson Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley Albert Bruce Jackson | 10/1899 | BIRM |
| Crocus nudiflorus | GB, VC38 Warwickshire, Budbrooke | Henry Bromwich | Botanical Exchange Club of The British Isles Albert Bruce Jackson Albert Bruce Jackson | 10/1899 | ABS |
| Sonchus oleraceus | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1899 | BIRM |
| Sonchus oleraceus | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 9/1899 | ABS |
| Chrysanthemum parthenium | GB, VC38 Warwickshire, Becknall common | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1899 | BIRM |
+ | Euphorbia exserta | GB, VC38 Warwickshire, Whitnash | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Bailey | 8/1899 | MANCH |
| Helictotrichon pratense | GB, VC38 Warwickshire, Bishop's Tachbrook | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1899 | BIRM |
| Phleum pratense var. nodosum | GB, VC38 Warwickshire, Whitnash | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1899 | BIRM |
| Tanacetum parthenium | GB, VC38 Warwickshire, Balsall Common | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1899 | ABS |
| Tanacetum parthenium | GB, VC38 Warwickshire, Walsall Common | Henry Bromwich | Edward Francis Linton | 8/1899 | SLBI |
+ | 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 |
| Centaurea jacea | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 7/1899 to 8/1899 | BIRM |
| Malva pusilla | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 7/1899 | ABS |
| Malva pusilla | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles | 1899 | BIRM |
| Polygonum aviculare | GB, VC38 Warwickshire, Milverton | Albert Bruce Jackson Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/10/1898 | BIRM |
| Chenopodium album | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1898 | BIRM |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles | 9/1898 | LIV |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Francis Linton Edward Shearburn Marshall J G | 9/1898 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles | 9/1898 | K |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 9/1898 | ABS |
| Polygonum aviculare | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1898 | BIRM |
| Rumex crispus var. dentatus | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 9/1898 | BIRM |
| Centaurea jacea | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1898 | ABS |
| Centaurea jacea | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles William Henry Purchas | 8/1898 | SHYB |
| Malva pusilla | GB, VC38 Warwickshire, Milverton | Henry Bromwich | William Hunt Painter | 8/1898 | ABS |