| Medicago minima | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Job Edward Lousley | Isaac A Helsby | 20/6/1926 | SLBI |
| Orchis laxiflora | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Thomas Jackson Foggitt | Isaac A Helsby | 25/5/1923 | SLBI |
| Petrorhagia prolifera | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Job Edward Lousley | Isaac A Helsby Watson Botanical Exchange Club | 20/6/1926 | SLBI |
| Polygonum maritimum | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Isaac A Helsby | 27/7/1926 | SLBI |
| Viola nana | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Isaac A Helsby | 14/4/1928 | SLBI |
| Polycarpon tetraphyllum | GB, VC113 Channel Islands, Saint Lawrence's Valley, Jersey | Louis Arsene | Isaac A Helsby | 8/6/1926 | SLBI |
| Polycarpon tetraphyllum | GB, VC113 Channel Islands, Saint Brelade's Bay | James Walter White | Isaac A Helsby Watson Botanical Exchange Club | 28/5/1896 | SLBI |
| Tuberaria guttata | GB, VC113 Channel Islands, La Corbiere, Jersey | George Claridge Druce | Isaac A Helsby | 1923 | SLBI |
| Scabiosa atropurpurea | GB, VC113 Channel Islands, L'Etacq | Louis Arsene | Isaac A Helsby | 26/6/1926 | SLBI |
| Echium plantagineum | GB, VC113 Channel Islands, Jersey,West Mount | Job Edward Lousley | Watson Botanical Exchange Club Isaac A Helsby | 16/6/1926 | SLBI |
| Silene gallica | GB, VC113 Channel Islands, Jersey,West Mount | Louis Arsene | Isaac A Helsby | 30/4/1925 | SLBI |
| Coincya monensis | GB, VC113 Channel Islands, Jersey,Corbiere | Louis Arsene | Isaac A Helsby | 6/6/1926 | SLBI |
| Tuberaria guttata | GB, VC113 Channel Islands, Jersey,Beauport | Louis Arsene | Isaac A Helsby | 8/6/1926 | SLBI |
| Muehlenbeckia complexa | GB, VC113 Channel Islands, Jersey, Saint Saviour | Louis Arsene | Isaac A Helsby George Claridge Druce | 11/9/1930 | SLBI |
| Vicia cassubica | GB, VC113 Channel Islands, Jersey, Saint Peters | Louis Arsene | Isaac A Helsby | 15/7/1926 | SLBI |
| Bupleurum baldense | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Isaac A Helsby | 12/7/1930 | SLBI |
| Gnaphalium luteoalbum | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 3/7/1928 | SLBI |
| Spergularia media | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 20/7/1926 | SLBI |
| Raphanus raphanistrum subsp. maritimus | GB, VC113 Channel Islands, Jersey, Saint Heliers | Louis Arsene | Botanical Society & Exchange Club of The British Isles Isaac A Helsby | 1/7/1928 | SLBI |
| Raphanus raphanistrum subsp. maritimus | GB, VC113 Channel Islands, Jersey, Saint Heliers | Louis Arsene | Isaac A Helsby George Claridge Druce | 1/7/1928 | SLBI |
| Malva parviflora | GB, VC113 Channel Islands, Jersey, Saint Helier | Louis Arsene | Isaac A Helsby | 15/7/1926 | SLBI |
| Raphanus raphanistrum subsp. maritimus | GB, VC113 Channel Islands, Jersey, Saint Helier | Louis Arsene | Isaac A Helsby | 1/7/1928 | SLBI |
| Juncus capitatus | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | Louis Arsene | Isaac A Helsby | 10/5/1925 | SLBI |
| Lotus angustissimus | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | Louis Arsene | Isaac A Helsby | 6/7/1925 | SLBI |
| Lotus subbiflorus | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | Louis Arsene | Isaac A Helsby | 6/7/1925 | SLBI |
| Lythrum hyssopifolia | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | Job Edward Lousley | Watson Botanical Exchange Club Isaac A Helsby | 23/6/1926 | SLBI |
| Herniaria glabra | GB, VC113 Channel Islands, Jersey, Saint Aubins Bay | Louis Arsene | Isaac A Helsby | | SLBI |
| Geranium purpureum | GB, VC113 Channel Islands, Jersey, Quennevais | William Charles Barton | Isaac A Helsby | 12/6/1923 | SLBI |
| Senecio lanuginosus | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Isaac A Helsby | 4/4/1926 | SLBI |
| Oxalis tetraphylla | GB, VC113 Channel Islands, Jersey, La Haule | Louis Arsene | Orvees Botanical Society Isaac A Helsby | 10/9/1928 | SLBI |
| Trifolium glomeratum | GB, VC113 Channel Islands, Jersey, Corbiere | T F Foggitt | Isaac A Helsby | 26/5/1923 | SLBI |
| Inula crithmoides | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 6/1928 | SLBI |
| Ranunculus paludosus | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 1/5/1925 | SLBI |
| Trifolium strictum | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 18/5/1926 | SLBI |
| Tuberaria guttata | GB, VC113 Channel Islands, Guernsey,Petit-port Bay | William Robert Sherrin | Isaac A Helsby | 12/6/1885 | SLBI |
| Ornithopus pinnatus | GB, VC113 Channel Islands, Guernsey, Fort Doyle | T F Foggitt | Isaac A Helsby | 3/5/1923 | SLBI |
| Herniaria glabra | GB, VC113 Channel Islands, Guernsey, Cobo Common | Job Edward Lousley | Isaac A Helsby Watson Botanical Exchange Club | 13/6/1926 | SLBI |
| Ononis reclinata | GB, VC113 Channel Islands, Alderney | George Claridge Druce | Isaac A Helsby | 7/1906 | SLBI |
| Cerastium nigrescens | GB, VC112 Shetland, Balta Sound | Isaac A Helsby | Isaac A Helsby | 7/1920 | SLBI |
| Sagina maritima | GB, VC109 Caithness, Scrabster | John Ezra Woodhead | Isaac A Helsby | 22/7/1936 | SLBI |