| Geum rivale | NO, S, vorings fos | William Hillhouse | William Hillhouse | 22/7/1890 | BIRM |
| Silene uniflora | NO, S, vorings fos | William Hillhouse | William Hillhouse | 22/7/1890 | BIRM |
| Cicerbita alpina | NO, More og Romsdal, Romsdalen | William Hillhouse | William Hillhouse | 15/7/1890 | BIRM |
| Sagina apetala subsp. apetala | NO, S, Aune | William Hillhouse | William Hillhouse | 9/7/1890 | BIRM |
| Isoetes lacustris | IE, VCH21 Co. Dublin, Dublin | David Moore | William Hillhouse | 1878 | BIRM |
| Eleocharis parvula | IE, VCH20 Co. Wicklow, Wicklow | | William Hillhouse | 1879 | BIRM |
| Isolepis cernua | IE, VCH16 West Galway, Roundstone | | Charles Cardale Babington William Hillhouse | 9/9/1873 | BIRM |
| Sparganium angustifolium | IE, VCH16 West Galway, Roundstone | Charles Cardale Babington | William Hillhouse | 9/9/1879 | BIRM |
| Rhynchospora fusca | IE, VCH16 West Galway, Maam | | William Hillhouse | | BIRM |
| Arabis hirsuta | IE, VCH9 Co. Clare, Inishmore | David Moore | Charles Cardale Babington William Hillhouse | | BIRM |
| Atriplex prostrata | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 15/9/1879 | BIRM |
| Borago officinalis | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 15/9/1879 | BIRM |
| Dianthus armeria | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 22/9/1881 | BIRM |
| Fumaria muralis subsp. boraei | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 15/9/1879 | BIRM |
| Linum bienne | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 15/9/1879 | BIRM |
| Misopates orontium | GB, VC113 Channel Islands, Sark | William Hillhouse | | 15/9/1879 | BIRM |
| Stachys arvensis | GB, VC113 Channel Islands, Sark | William Hillhouse | William Hillhouse | 16/9/1879 | BIRM |
| Fumaria muralis | GB, VC113 Channel Islands, Saint Sampson's, Guernsey | William Hillhouse | William Hillhouse | 14/9/1881 | BIRM |
| Oenanthe fluviatilis | GB, VC113 Channel Islands, Saint Ouen's Pond | William Hillhouse | William Hillhouse | 9/1879 | BIRM |
| Schoenoplectus pungens | GB, VC113 Channel Islands, Saint Ouen's Pond | William Hillhouse | William Hillhouse | 25/9/1879 | BIRM |
| Hypericum humifusum | GB, VC113 Channel Islands, Saint Catherine's Bay | William Hillhouse | William Hillhouse | 24/9/1879 | BIRM |
| Coronopus didymus | GB, VC113 Channel Islands, Saint Brelade, Jersey | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Oenothera stricta | GB, VC113 Channel Islands, Saint Brelade, Jersey | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Apium inundatum | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | George Stephen West | 22/9/1879 | BIRM |
| Armeria plantaginea | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | William Hillhouse | 4/9/1879 | BIRM |
| Chenopodium murale | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Hypericum elodes | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Sagina boydii subsp. apetala | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Salix repens | GB, VC113 Channel Islands, Saint Brelade's Bay | William Hillhouse | William Hillhouse | 24/9/1879 | BIRM |
| Oxalis corniculata | GB, VC113 Channel Islands, Portelet Bay, Jersey | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |
| Salsola kali | GB, VC113 Channel Islands, Petit Port, Jersey | William Hillhouse | William Hillhouse | 23/9/1879 | BIRM |
| Thlaspi arvense | GB, VC113 Channel Islands, Perele Bay | | William Hillhouse | 10/9/1881 | BIRM |
| Echium plantagineum | GB, VC113 Channel Islands, Noirmont Point | William Hillhouse | William Hillhouse | 24/9/1879 | BIRM |
| Orobanche purpurea | GB, VC113 Channel Islands, La Corbiere, Jersey | William Hillhouse | William Hillhouse | 25/9/1879 | BIRM |
| Euphorbia portlandica | GB, VC113 Channel Islands, L'Ancresse Common | William Hillhouse | William Hillhouse | 16/9/1879 | BIRM |
| Spergularia rupicola | GB, VC113 Channel Islands, L'Ancresse Common | William Hillhouse | William Hillhouse | 16/9/1879 | BIRM |
| Avena sterilis subsp. ludoviciana | GB, VC113 Channel Islands, Kings Mills, Guernsey | William Hillhouse | William Hillhouse | 10/9/1881 | BIRM |
| Fumaria muralis subsp. boraei | GB, VC113 Channel Islands, Kings Mills, Guernsey | William Hillhouse | William Hillhouse | 10/9/1881 | BIRM |
| Cuscuta epithymum | GB, VC113 Channel Islands, Jersey,Vingtaine de Noirmont | William Hillhouse | William Hillhouse | 23/9/1879 | BIRM |
| Valerianella carinata | GB, VC113 Channel Islands, Jersey,Vingtaine de Noirmont | William Hillhouse | William Hillhouse | 22/9/1879 | BIRM |