| 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 | Louis Arsene | Botanical Society & Exchange Club of The British Isles | 1/8/1926 | MANCH |
| Lythrum hyssopifolia | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 1/8/1926 | SLBI |
| Atriplex | GB, VC113 Channel Islands, Jersey, Saint Helier | Louis Arsene | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 10/9/1928 | SLBI |
| Dianthus deltoides | GB, VC113 Channel Islands, Jersey, Saint Helier | Louis Arsene | | 16/6/1926 | K |
| 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 |
| 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 | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/7/1928 | SLBI |
| Raphanus raphanistrum subsp. maritimus | GB, VC113 Channel Islands, Jersey, Saint Heliers | Louis Arsene | Job Edward Lousley Louis Arsene | 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 |
| Gnaphalium luteoalbum | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 3/7/1928 | SLBI |
| Scirpus americanus | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Botanical Exchange Club of The British Isles Louis Arsene Richard Charles L'Estrange Burges | 15/7/1926 | BIRM |
| Spergularia media | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Louis Arsene | Isaac A Helsby | 20/7/1926 | SLBI |
| Bupleurum baldense | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Isaac A Helsby | 12/7/1930 | SLBI |
+ | Cyperus longus | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Botanical Society & Exchange Club of The British Isles Louis Arsene | 8/8/1929 | MANCH |
+ | Matthiola sinuata | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Botanical Society & Exchange Club of The British Isles | 7/7/1926 | MANCH |
| 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 |
| Otanthus maritimus | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Harold Stuart Thompson | 31/8/1925 | BIRM |
| Silene conica | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Botanical Exchange Club of The British Isles Louis Arsene | 14/5/1928 | K |
+ | Viola kitaibeliana | GB, VC113 Channel Islands, Jersey, Saint Ouen's Bay | Louis Arsene | Botanical Society & Exchange Club of The British Isles | 15/4/1926 | MANCH |
| Carex divisa | GB, VC113 Channel Islands, Jersey, Saint Ouens Pond | Louis Arsene | Botanical Exchange Club of The British Isles Frederick Janson Hanbury | 16/6/1925 | BM |
| Carex divisa | GB, VC113 Channel Islands, Jersey, Saint Ouens Pond | Louis Arsene | Charles Edgar Salmon | 16/6/1925 | BM |
| Orchis morio | GB, VC113 Channel Islands, Jersey, Saint Ouens Pond | Louis Arsene | | 8/5/1926 | K |
| 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 |
| Muehlenbeckia complexa | GB, VC113 Channel Islands, Jersey, Saint Saviour | Louis Arsene | Isaac A Helsby George Claridge Druce | 11/9/1930 | 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 |
| Veronica filiformis | GB, VC113 Channel Islands, Jersey, Saint Saviour | Louis Arsene | Société française pour l'échange des plantes vasculaires | 10/4/1931 | K |
| 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 | Botanical Society & Exchange Club of The British Isles | 8/6/1926 | MANCH |
| 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 |
| 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 |
| 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 |
+ | Muscari neglectum | GB, VC113 Channel Islands, Jersey,La Rocque | Ariste | Botanical Society & Exchange Club of The British Isles Louis Arsene | 29/4/1927 | MANCH |
+ | Romulea columnae | GB, VC113 Channel Islands, Jersey,Ouaisne | Louis Arsene | Botanical Society & Exchange Club of The British Isles | 3/3/1926 | MANCH |
+ | Allium sphaerocephalon | GB, VC113 Channel Islands, Jersey,Saint Austin's Bay | Louis Arsene | Botanical Society & Exchange Club of The British Isles | 10/6/1926 | MANCH |
| 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 |