| Raphanus raphanistrum subsp. maritimus | GB, VC113 Channel Islands, Jersey, Saint Heliers | Louis Arsene | Isaac A Helsby George Claridge Druce | 1/7/1928 | SLBI |
| Spergularia media | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 20/7/1926 | SLBI |
| Gnaphalium luteoalbum | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 3/7/1928 | SLBI |
| Matthiola sinuata | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 5/6/1926 7/7/1926 | SLBI |
| Bupleurum baldense | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Isaac A Helsby | 12/7/1930 | SLBI |
| Silene nutans subsp. dubia | GB, VC113 Channel Islands, Jersey, Saint Peters | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 18/5/1926 | SLBI |
| Vicia cassubica | GB, VC113 Channel Islands, Jersey, Saint Peters | Louis Arsene | Isaac A Helsby | 15/7/1926 | SLBI |
| Scrophularia scorodonia | GB, VC113 Channel Islands, Jersey, Saint Saviour | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 1/7/1926 | SLBI |
| Muehlenbeckia complexa | GB, VC113 Channel Islands, Jersey, Saint Saviour | Louis Arsene | Isaac A Helsby George Claridge Druce | 11/9/1930 | SLBI |
| Senecio cineraria | GB, VC113 Channel Islands, Jersey, St Aubin's | Ariste | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 18/6/1927 | SLBI |
| Tuberaria guttata | GB, VC113 Channel Islands, Jersey,Beauport | Louis Arsene | Isaac A Helsby | 8/6/1926 | SLBI |
| Coincya monensis | GB, VC113 Channel Islands, Jersey,Corbiere | Louis Arsene | Isaac A Helsby | 6/6/1926 | SLBI |
| Trifolium strictum | GB, VC113 Channel Islands, Jersey,La Moye | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 18/5/1926 | SLBI |
| Armeria maritima | GB, VC113 Channel Islands, Jersey,La Moye | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/7/1928 | SLBI |
| Daucus maritimus | GB, VC113 Channel Islands, Jersey,La Moye | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 7/7/1928 | SLBI |
| Atropa belladonna | GB, VC113 Channel Islands, Jersey,St Saviour's | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/7/1930 | SLBI |
| Silene gallica | GB, VC113 Channel Islands, Jersey,West Mount | Louis Arsene | Isaac A Helsby | 30/4/1925 | SLBI |
| Scabiosa atropurpurea | GB, VC113 Channel Islands, L'Etacq | Louis Arsene | Isaac A Helsby | 26/6/1926 | SLBI |
| Petrorhagia prolifera | GB, VC113 Channel Islands, Les Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/6/1926 7/7/1926 | SLBI |
| Senecio lanuginosus | GB, VC113 Channel Islands, Quenvais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 4/4/1926 | SLBI |
| Vicia lutea | GB, VC113 Channel Islands, Saint Brelade, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 20/6/1928 21/7/1928 | SLBI |
| Sibthorpia europaea | GB, VC113 Channel Islands, Saint Brelade, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 21/7/1928 | SLBI |
| Polycarpon tetraphyllum | GB, VC113 Channel Islands, Saint Lawrence's Valley, Jersey | Louis Arsene | Isaac A Helsby | 8/6/1926 | SLBI |
| Lotus angustissimus | GB, VC113 Channel Islands, Saint Lawrence's Valley, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/7/1930 | SLBI |
| Dianthus gallicus | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Isaac A Helsby | 7/7/1925 | SLBI |
| Dianthus gallicus | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Isaac A Helsby | 10/7/1926 | SLBI |
| Lavatera cretica | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/7/1926 | SLBI |
| Centaurea paniculata | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Isaac A Helsby Louis Arsene | 26/7/1926 | 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 |
| Silene conica | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 14/5/1928 | SLBI |
| Daucus maritimus | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 1/7/1928 | SLBI |
| Carex muricata subsp. pairae | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/6/1929 | SLBI |
| Scilla autumnalis | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Louis Arsene | 8/8/1929 | SLBI |
| Cyperus longus | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 8/8/1929 | SLBI |
| Bupleurum baldense | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 12/7/1930 | SLBI |
| Carex muricata subsp. pairae | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Louis Arsene Richard Barker Ullman Patrick Martin Hall | 1/6/1929 | SLBI |
| Cyperus longus | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 8/8/1929 | SLBI |
| Orchis laxiflora | GB, VC113 Channel Islands, Saint Ouen's Pond | Louis Arsene | Patrick Martin Hall Richard Barker Ullman | 27/5/1932 | SLBI |
| Oenanthe pimpinelloides | GB, VC113 Channel Islands, Saint Saviour's Jersey | Louis Arsene | Isaac A Helsby | 11/10/1927 | SLBI |
| Fumaria capreolata | GB, VC113 Channel Islands, Saint Saviour's, Guernsey | Louis Arsene | Isaac A Helsby | 16/7/1926 | SLBI |