| Lotus angustissimus | GB, Cornwall, Cornwall Cultivated | Louis Arsene | Isaac A Helsby | 1/7/1930 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC113 Channel Islands, Don Bridge, Jersey | Benard Ariste | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 10/7/1927 | SLBI |
| Centaurea jacea | GB, VC113 Channel Islands, Don Bridge, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 10/7/1927 | SLBI |
| Ranunculus paludosus | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 1/5/1925 | SLBI |
| Polygala vulgaris subsp. collina | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 5/4/1926 | SLBI |
| Trifolium strictum | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 18/5/1926 | SLBI |
| Scrophularia scorodonia | GB, VC113 Channel Islands, Jersey | Louis Arsene | Watson Botanical Exchange Club Job Edward Lousley | 1/7/1926 | SLBI |
| Parentucellia viscosa | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/7/1926 | SLBI |
| Inula crithmoides | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 1/1/1928 | SLBI |
| Vicia sativa | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 1/6/1928 | SLBI |
| Inula crithmoides | GB, VC113 Channel Islands, Jersey | Louis Arsene | Isaac A Helsby | 6/1928 | SLBI |
| Inula crithmoides | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 1/8/1928 | SLBI |
| Erigeron | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 1929 | SLBI |
| Atriplex glabriuscula | GB, VC113 Channel Islands, Jersey | Louis Arsene | Botanical Exchange Club of The British Isles Richard Barker Ullman Patrick Martin Hall | 1/9/1929 | SLBI |
| Arum italicum | GB, VC113 Channel Islands, Jersey St Sauveur | Benard Ariste | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 29/5/1927 | SLBI |
| Polycarpon tetraphyllum | GB, VC113 Channel Islands, Jersey, Grosnez | Louis Arsene | Botanical Exchange Club of The British Isles | 8/8/1928 | SLBI |
| Jasione montana | GB, VC113 Channel Islands, Jersey, L'Etac | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/6/1926 | SLBI |
| Geranium purpureum | GB, VC113 Channel Islands, Jersey, La Haule | Benard Ariste | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/5/1927 | SLBI |
| Oxalis tetraphylla | GB, VC113 Channel Islands, Jersey, La Haule | Louis Arsene | Orvees Botanical Society Isaac A Helsby | 10/9/1928 | SLBI |
| Lamiastrum galeobdolon | GB, VC113 Channel Islands, Jersey, La Saline | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 11/5/1929 | SLBI |
| Montia fontana subsp. amporitana | GB, VC113 Channel Islands, Jersey, Ouaisne | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 29/3/1926 | SLBI |
| Centaurium erythraea | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 21/6/1921 | SLBI |
| Hirschfeldia incana | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Louis Arsene | 15/7/1921 | SLBI |
| Senecio lanuginosus | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Isaac A Helsby | 4/4/1926 | SLBI |
| Silene gallica | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 21/5/1926 | SLBI |
| Thesium | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 15/7/1926 | SLBI |
| Anthyllis maritima | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 20/6/1928 | SLBI |
| Rosa spinosissima | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Botanical Exchange Club of The British Isles Louis Arsene | 10/7/1928 | SLBI |
| Hirschfeldia incana | GB, VC113 Channel Islands, Jersey, Quennevais | Louis Arsene | Job Edward Lousley | 15/7/1921 | SLBI |
| Herniaria glabra | GB, VC113 Channel Islands, Jersey, Saint Aubins Bay | Louis Arsene | Isaac A Helsby | | 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 | Louis Arsene | Botanical Exchange Club of The British Isles Job Edward Lousley | 1/8/1926 | 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 |
| 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 |
| 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 |