| Isolepis cernua | GB, VC113 Channel Islands, Guernsey,Petit Bot | William Charles Barton | Richard Barker Ullman William Charles Barton | 5/8/1912 | SLBI |
| Atriplex littoralis | GB, VC113 Channel Islands, Guernsey,Le Ree Bay | William Charles Barton | Richard Barker Ullman William Charles Barton | | SLBI |
| Cyperus longus | GB, VC113 Channel Islands, Guernsey,Le Gouffre | William Charles Barton | Richard Barker Ullman | 5/8/1912 | SLBI |
| Marrubium vulgare | GB, VC113 Channel Islands, Guernsey,L'Ancresse Common | William Charles Barton | Richard Barker Ullman William Charles Barton | 20/8/1912 | SLBI |
| Isolepis cernua | GB, VC113 Channel Islands, Guernsey,Fort le Marchant | William Charles Barton | Richard Barker Ullman William Charles Barton | 8/8/1912 | SLBI |
| Atriplex prostrata | GB, VC113 Channel Islands, Guernsey, Mont Cuet | William Charles Barton | Richard Barker Ullman William Charles Barton | 10/8/1912 | SLBI |
| Lepidium latifolium | GB, VC113 Channel Islands, Guernsey, Grandes Rocque | William Charles Barton | Richard Barker Ullman | 7/8/1912 | SLBI |
| Centunculus minimus | GB, VC113 Channel Islands, Guernsey, Fort Doyle | William Charles Barton | Richard Barker Ullman William Charles Barton | 25/7/1912 | SLBI |
| Cicendia filiformis | GB, VC113 Channel Islands, Guernsey, Fort Doyle | William Charles Barton | Richard Barker Ullman | 25/8/1912 | SLBI |
| Centaurium pulchellum | GB, VC113 Channel Islands, Guernsey, Cobo Bay | Cecil Victor Boley Marquand | Richard Barker Ullman | 13/9/1913 | SLBI |
| Crassula tillaea | GB, VC113 Channel Islands, Guernsey | Cecil Victor Boley Marquand | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 4/1913 | SLBI |
| Fumaria capreolata | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Richard Barker Ullman | 6/9/1928 | SLBI |
| Fumaria capreolata | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Richard Barker Ullman | 6/9/1928 | SLBI |
| Fumaria capreolata | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Richard Barker Ullman | 6/9/1928 | SLBI |
| Fumaria capreolata | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 6/9/1928 | SLBI |
| Lepidium latifolium | GB, VC113 Channel Islands, Guernsey | William Charles Barton | Richard Barker Ullman William Charles Barton | | SLBI |
| Orobanche hederae | GB, VC113 Channel Islands, Guernsey | William Charles Barton | Richard Barker Ullman | 8/8/1912 | SLBI |
| Oxalis corniculata | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Richard Barker Ullman | 6/9/1928 | SLBI |
| Polycarpon tetraphyllum | GB, VC113 Channel Islands, Guernsey Cultivated | Patrick Martin Hall | Richard Barker Ullman | 6/9/1928 | SLBI |
| Spergula arvensis var. sativa | GB, VC113 Channel Islands, Guernsey | Patrick Martin Hall | Richard Barker Ullman | 18/6/1928 | SLBI |
| Euphorbia peplis | GB, VC113 Channel Islands, Alderney | William Arthur Sledge | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 17/7/1928 | SLBI |
| Blysmus rufus | GB, VC110 Outer Hebrides, Nisishee | George Claridge Druce | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 7/1928 | SLBI |
| Primula scotica | GB, VC108 West Sutherland, Tongue | Richard Barker Ullman | Richard Barker Ullman | 25/7/1916 | SLBI |
| Ranunculus flammula subsp. scoticus | GB, VC108 West Sutherland, Loch Meala | Robert Henry Corstorphine | Richard Barker Ullman | 28/6/1933 | SLBI |
| Sorbus latifolia | GB, VC106 East Ross & Cromarty, Conon Bridge | William Andrew Shoolbred | Richard Barker Ullman William Charles Barton Botanical Exchange Club of The British Isles Watson Botanical Exchange Club Patrick Martin Hall | 16/7/1909 | SLBI |
| Carex nigra | GB, VC104 North Ebudes, Broadford | William Arthur Sledge | Patrick Martin Hall Richard Barker Ullman | 7/1930 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC99 Dunbartonshire, Arrochar | D Patton | Richard Barker Ullman Bertram A Medley | 6/1912 to 1913 | SLBI |
| Vaccinium oxycoccos | GB, VC99 Dunbartonshire, Arrochar | Donald Patton | Richard Barker Ullman Bertram A Medley | 6/1912 | SLBI |
| Goodyera repens | GB, VC95 Moray, Forres | Donald Patton | Bertram A Medley Richard Barker Ullman | 8/1913 | SLBI |
| Allium scorodoprasum | GB, VC90 Angus, Loch Fithie | Robert Henry Corstorphine | Richard Barker Ullman Botanical Exchange Club of The British Isles | 8/1914 | SLBI |
| Linnaea borealis | GB, VC90 Angus, Glen Dole | George Claridge Druce | Watson Botanical Exchange Club Richard Barker Ullman Patrick Martin Hall | 8/1915 | SLBI |
| Allium carinatum | GB, Perthshire, Tayside | George Claridge Druce | Watson Botanical Exchange Club Patrick Martin Hall Richard Barker Ullman | 8/1918 | SLBI |
| Allium carinatum | GB, VC88 Mid Perthshire, Tayside | George Claridge Druce | Richard Barker Ullman | 8/1918 | SLBI |
| Carex atrata | GB, VC88 Mid Perthshire, Stuc an Lochain | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 10/7/1938 | SLBI |
| Juncus triglumis | GB, VC88 Mid Perthshire, Stuc an Lochain | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 10/7/1938 | SLBI |
| Luzula spicata | GB, VC88 Mid Perthshire, Stuc an Lochain | Patrick Martin Hall | Richard Barker Ullman | 10/7/1938 | SLBI |
| Juncus biglumis | GB, VC88 Mid Perthshire, Meall Ghaordie | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 12/7/1938 | SLBI |
| Juncus trifidus | GB, VC88 Mid Perthshire, Meall Ghaordie | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 12/7/1938 | SLBI |
| Salix reticulata | GB, VC88 Mid Perthshire, Meall Ghaordie | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 12/7/1938 | SLBI |
| Carex pauciflora | GB, VC88 Mid Perthshire, Loch Daimh | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 10/7/1938 | SLBI |