| Potamogeton praelongus | GB, VC31 Huntingdonshire, Offord | Edward Walter Hunnybun | Charles Edgar Salmon | 14/8/1906 | ABS |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer Charles Edward Moss Edward Walter Hunnybun | Alfred Fryer Charles Bailey | 3/9/1909 | MANCH |
| Galium x pomeranicum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Edward Shearburn Marshall Edward Shearburn Marshall | 2/8/1909 | SLBI |
| Thymus serpyllum | GB, VC29 Cambridgeshire, Gog Magog Hills | Edward Walter Hunnybun | Allan Octavian Hume Edward Shearburn Marshall | 19/6/1905 | SLBI |
| Crataegus monogyna var. lacinata | GB, VC31 Huntingdonshire, Huntingdon | Augustin Ley Edward Walter Hunnybun | Augustin Ley | 25/8/1908 | BIRM |
| Galium mollugo subsp. erectum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 26/8/1909 | BIRM |
| Galium mollugo subsp. erectum | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 26/8/1909 | BIRM |
| Galium mollugo subsp. erectum | GB, VC31 Huntingdonshire, Woodwalton Fen | Augustin Ley Edward Walter Hunnybun | Augustin Ley | 28/8/1908 | BIRM |
| Luzula pallidula | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 13/6/1907 | BIRM |
| Potamogeton coloratus | GB, VC31 Huntingdonshire, Ramsey Saint Mary's | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 20/7/1908 | BIRM |
| Salix fragilis var. britannicum | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Augustin Ley | 9/10/1908 | BIRM |
| Thalictrum minus subsp. majus | GB, VC88 Mid Perthshire, Fortingall Cultivated | Edward Francis Linton Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Edward Francis Linton | 9/1897 2/10/1899 11/8/1910 | BIRM |
| Thymus chamaedrys | GB, VC29 Cambridgeshire, Gog Magog Cultivated | Edward Walter Hunnybun | Watson Botanical Exchange Club Augustin Ley George Goode | 7/1909 | BIRM |
| Ulmus glabra | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Augustin Ley | 5/1909 | BIRM |
| Ulmus glabra | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 3/9/1908 | BIRM |
| Ulmus glabra x minor = U. x vegeta | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Augustin Ley Edward Walter Hunnybun | 5/1909 | BIRM |
| Viola | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 13/6/1907 | BIRM |
| Viola | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun Eliza Standerwick Gregory | Botanical Exchange Club of The British Isles Augustin Ley Eliza Standerwick Gregory | 30/5/1905 | BIRM |
| Viola canina | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 6/1907 | BIRM |
| Viola canina subsp. montana | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Watson Botanical Exchange Club Augustin Ley Eliza Standerwick Gregory | 8/6/1908 | BIRM |
| Viola canina subsp. montana | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Augustin Ley Eliza Standerwick Gregory | 29/5/1904 | BIRM |
| Luzula multiflora var. pallescens | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun James Groves | Allan Octavian Hume | 26/6/1908 | SLBI |
| Mentha aquatica var. hirsuta | GB, VC31 Huntingdonshire, Buckden | Edward Walter Hunnybun | Chambre Corker Vigurs | 30/8/1906 | ABS |
| Mentha x piperita | GB, VC1 West Cornwall, Newquay | Chambre Corker Vigurs | Edward Walter Hunnybun | 1904 | K |
| Ononis reclinata | GB, VC10 Isle of Wight, Ventnor GB, VC3 South Devon, Berry Head | Edward Walter Hunnybun | | 25/7/1917 | SLBI |
| Phleum phleoides | GB, VC29 Cambridgeshire, Hildersham | Edward Walter Hunnybun | Chambre Corker Vigurs | 30/6/1904 | ABS |
| Taraxacum sect. Spectabilia | GB, VC17 Surrey, Thames Ditton Cultivated | Edward Walter Hunnybun | Edward Walter Hunnybun | 21/6/1908 | SLBI |
| Viola canina | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Eliza Standerwick Gregory | 29/5/1907 | BIRM |
| Vulpia myuros | GB, VC29 Cambridgeshire | | Chambre Corker Vigurs Edward Walter Hunnybun | 30/6/1904 | ABS |
+ | Mentha arvensis x aquatica = M. x verticillata | GB, VC10 Isle of Wight, Freshwater,Sheepwash Green | Edward Walter Hunnybun | Watson Botanical Exchange Club Charles Bailey | 26/9/1906 | MANCH |
| Luzula multiflora var. pallescens | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun James Groves | Allan Octavian Hume Henry & James Groves | 26/6/1908 | SLBI |
| Agrimonia eupatoria | GB, VC10 Isle of Wight, Saint Lawrence | Gardner Charles Baylis Green Edward Walter Hunnybun | | 25/7/1917 | SLBI |
| Agrimonia eupatoria | GB, VC10 Isle of Wight, Ventnor | Gardner Charles Baylis Green Edward Walter Hunnybun | | 25/7/1917 | SLBI |
| Anthyllis vulneraria | GB, VC10 Isle of Wight, Saint Lawrence | Gardner Charles Baylis Green Edward Walter Hunnybun | | 25/7/1917 | SLBI |
| Cuscuta europaea | GB, VC17,VC22, Old Windsor | Edward Walter Hunnybun | Charles Baylis Green | 29/7/1917 | SLBI |
| Inula salicina | IE, VCH15 South-east Galway, Lough Derg | Edward Walter Hunnybun | Charles Baylis Green | 25/7/1917 | SLBI |
| Solanum nigrum var. miniatum | GB, VC113 Channel Islands, Jersey | | Charles Baylis Green Edward Walter Hunnybun | 30/7/1917 | SLBI |
| Limonium binervosum | GB, VC28 West Norfolk, Hunstanton | Alfred Fryer Edward Walter Hunnybun | Allan Octavian Hume Charles Edgar Salmon | 8/1901 | SLBI |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Allan Octavian Hume | 7/8/1907 | SLBI |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Allan Octavian Hume | 7/8/1907 | SLBI |