| Carex ovalis | GB, VC37 Worcestershire, Malvern Wells | James Henry Augustus Steuart | Albert Bruce Jackson James Henry Augustus Steuart | 8/1892 | BM |
| Anisantha madritensis | GB, VC113 Channel Islands, Portelet Bay, Jersey | Margaret Dawber | Augustin Ley James Henry Augustus Steuart Botanical Exchange Club of The British Isles | 25/6/1888 | BIRM |
| Anthriscus cerefolium | GB, VC36 Herefordshire, Ross | Eleonora Armitage | Augustin Ley James Henry Augustus Steuart | 5/1891 | BIRM |
| Arum italicum subsp. neglectum | GB, VC10 Isle of Wight, Saint Lawrence | James Henry Augustus Steuart | Augustin Ley | 9/1890 6/1891 | BIRM |
| Centaurium erythraea | GB, VC10 Isle of Wight, Freshwater | James Henry Augustus Steuart | Augustin Ley James Henry Augustus Steuart | 8/1890 | BIRM |
| Galium | GB, VC3 South Devon, Exeter | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles Augustin Ley James Alfred Wheldon | 7/7/1891 | BIRM |
| Gentianella anglica | GB, VC10 Isle of Wight, Ventnor and Bambridge Downs | James Henry Augustus Steuart | James Henry Augustus Steuart Botanical Exchange Club of The British Isles Augustin Ley | 20/6/1889 to 27/6/1889 | BIRM |
| Lonicera caprifolium | GB, VC29 Cambridgeshire, Cherry Hinton | J R Bullock | Augustin Ley James Henry Augustus Steuart George Goode | 18/6/1891 | BIRM |
| Polygala vulgaris | GB, VC10 Isle of Wight, Ventnor | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles Augustin Ley James Alfred Wheldon | 1893 | BIRM |
| Potentilla norvegica | GB, VC17,VC21, Twickenham | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles Augustin Ley James Henry Augustus Steuart | 7/6/1893 | BIRM |
| Sagina boydii subsp. apetala | GB, VC37 Worcestershire, Great Malvern | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles Augustin Ley | 8/1892 | BIRM |
| Serratula tinctoria | GB, VC10 Isle of Wight, Freshwater | James Henry Augustus Steuart | Augustin Ley James Henry Augustus Steuart | 9/1891 | BIRM |
| Serratula tinctoria | GB, VC10 Isle of Wight, Freshwater | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles Augustin Ley James Alfred Wheldon | 8/1891 | BIRM |
| Thalictrum minus | GB, VC29 Cambridgeshire, Gog Magog | George Goode | Augustin Ley James Henry Augustus Steuart | 8/9/1891 | BIRM |
| Carex paniculata x remota = C. x boenninghauseniana | | James Henry Augustus Steuart | Edward Francis Linton James Henry Augustus Steuart | 5/1893 to 6/1893 | BM |
| Carex pulla | GB, VC88 Mid Perthshire, Beinn Heasgarnich | R H McCobrum | James Henry Augustus Steuart | 19/7/1888 | ABS |
| Carex pulla | GB, VC88 Mid Perthshire, Beinn Heasgarnich | R H McCobrum | Harold Stuart Thompson James Henry Augustus Steuart | 19/7/1888 | BIRM |
| Schoenus ferrugineus | GB, VC88 Mid Perthshire, Loch Tummel | Robert Hunt Meldrum | Botanical Exchange Club of The British Isles James Henry Augustus Steuart | 16/8/1888 | ABS |
| Schoenus ferrugineus | GB, VC88 Mid Perthshire, Loch Tummel | Robert Hunt Meldrum | George Stephen West James Henry Augustus Steuart | 16/8/1888 | BIRM |
| Anthriscus cerefolium | GB, VC36 Herefordshire, Ross | Eleonora Armitage | James Henry Augustus Steuart William Hunt Painter | 5/1891 | ABS |
| Berteroa incana | GB, VC36 Herefordshire, Peterstow | Eleonora Armitage | James Henry Augustus Steuart William Hunt Painter | 9/1894 | ABS |
| Centaurium erythraea | GB, VC10 Isle of Wight, Freshwater | James Henry Augustus Steuart | James Henry Augustus Steuart William Hunt Painter | 8/1890 | ABS |
| Gentianella anglica | GB, VC10 Isle of Wight, Ventnor | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles William Hunt Painter | 20/6/1889 to 27/6/1889 | ABS |
| Gentianella anglica | GB, VC10 Isle of Wight, Ventnor | James Henry Augustus Steuart | Botanical Exchange Club of The British Isles James Henry Augustus Steuart William Hunt Painter | 20/7/1889 to 27/7/1889 | ABS |
| Physospermum cornubiense | GB, VC2 East Cornwall, Bodmin | Richard Vercoe Tellam | James Henry Augustus Steuart William Hunt Painter Richard Vercoe Tellam | 7/1891 | ABS |
| Physospermum cornubiense | GB, VC2 East Cornwall, Dunmere Wood, Bodmin | Richard Vercoe Tellam | James Henry Augustus Steuart William Hunt Painter Richard Vercoe Tellam | 8/1888 | ABS |
| Physospermum cornubiense | GB, VC2 East Cornwall, Dunmere wood | Richard Vercoe Tellam | James Henry Augustus Steuart William Hunt Painter | 8/1888 | ABS |
| Physospermum cornubiense | GB, VC2 East Cornwall, Colquite | Richard Vercoe Tellam | James Henry Augustus Steuart William Hunt Painter | 7/1891 | ABS |
| Thalictrum minus var. collinum | GB, VC29 Cambridgeshire, Gog Magog | George Goode | James Henry Augustus Steuart William Hunt Painter | 8/9/1891 | ABS |
| Trifolium ochroleucon | GB, VC19 North Essex, Stansted | J W F Cross | James Henry Augustus Steuart William Hunt Painter | 8/1891 | ABS |
| Veronica peregrina | GB, VC88 Mid Perthshire, Perth | Robert Hunt Meldrum | James Henry Augustus Steuart William Hunt Painter Robert Hunt Meldrum | 7/1888 | ABS |
| Cerastium pumilum | GB, VC10 Isle of Wight, Isle of Wight | James Henry Augustus Steuart | William Robert Sherrin | 5/1889 | SLBI |
+ | Agrostemma githago | GB, VC10 Isle of Wight, Freshwater, Isle of Wight | James Henry Augustus Steuart | | 1882 | LIV |
+ | Agrostemma githago | GB, VC10 Isle of Wight, Ventnor | James Henry Augustus Steuart | | 1893 | NMW |
| Calamagrostis epigejos x Ammophila arenaria = x Calammophila baltica | GB, VC27 East Norfolk, Caister Sands | James Henry Augustus Steuart | James Henry Augustus Steuart | 8/1887 | ABS |
| Carex appropinquata | GB, VC28 West Norfolk, Stoke Ferry | W J Cross | Alexander Somerville James Henry Augustus Steuart | 7/1891 | E |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC37 Worcestershire, Malvern | James Henry Augustus Steuart | Eliza Standerwick Gregory James Henry Augustus Steuart | 7/1892 | BM |
| Carex ovalis | GB, VC37 Worcestershire, Malvern Wells | James Henry Augustus Steuart | James Henry Augustus Steuart | 7/1892 | BM |
| Carex riparia | GB, VC10 Isle of Wight, Newport | James Henry Augustus Steuart | James Henry Augustus Steuart | 6/1889 | E |
| Centaurium erythraea | GB, VC10 Isle of Wight, Afton Down | James Henry Augustus Steuart | | 2/7/1889 | ABS |