| Vulpia myuros | GB, VC29 Cambridgeshire | | Chambre Corker Vigurs Edward Walter Hunnybun | 30/6/1904 | ABS |
+ | Viola persicifolia | GB, VC31 Huntingdonshire, Wood Walton | Edward Walter Hunnybun | Charles Bailey Spencer Henry Bickham | 13/6/1907 | MANCH |
| Viola canina subsp. canina x canina subsp. montana | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Charles Bailey Eliza Standerwick Gregory | 29/5/1907 | MANCH |
+ | Viola canina subsp. montana | GB, VC31 Huntingdonshire, Wood Walton | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Eliza Standerwick Gregory | 29/5/1907 | MANCH |
| 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 |
| Viola canina | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Eliza Standerwick Gregory | 29/5/1907 | 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 | 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 |
| Ulmus minor subsp. angustifolia | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 3/9/1908 | SLBI |
| Ulmus glabra x minor = U. x vegeta | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Augustin Ley Edward Walter Hunnybun | 5/1909 | 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 |
| Thymus serpyllum | GB, VC29 Cambridgeshire, Gog Magog Hills | Edward Walter Hunnybun | Allan Octavian Hume Edward Shearburn Marshall | 19/6/1905 | SLBI |
| Thymus chamaedrys | GB, VC29 Cambridgeshire, Gog Magog Cultivated | Edward Walter Hunnybun | Watson Botanical Exchange Club Augustin Ley George Goode | 7/1909 | 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 |
| Taraxacum sect. Spectabilia | GB, VC17 Surrey, Thames Ditton Cultivated | Edward Walter Hunnybun | Edward Walter Hunnybun | 21/6/1908 | SLBI |
| Solanum nigrum var. miniatum | GB, VC10 Isle of Wight, Ventnor | Edward Walter Hunnybun | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 8/9/1917 | BIRM |
| Solanum nigrum var. miniatum | GB, VC113 Channel Islands, Jersey | | Charles Baylis Green Edward Walter Hunnybun | 30/7/1917 | SLBI |
| Salix fragilis var. britannicum | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Augustin Ley | 9/10/1908 | BIRM |
| Potamogeton trichoides | GB, VC29 Cambridgeshire, Hammond's Eau | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 9/9/1909 | MANCH |
| Potamogeton trichoides | GB, VC29 Cambridgeshire, Mepal, Hammonds Eau | Edward Walter Hunnybun | Arthur Bennett Spencer Henry Bickham | 9/9/1909 | MANCH |
| Potamogeton praelongus | GB, VC31 Huntingdonshire, Offord | Edward Walter Hunnybun | Charles Edgar Salmon | 14/8/1906 | ABS |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Warboys | Alfred Fryer Edward Walter Hunnybun | Charles Bailey Spencer Henry Bickham | 15/8/1906 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Warboys Wood | Alfred Fryer Edward Walter Hunnybun | Watson Botanical Exchange Club Spencer Henry Bickham | 15/8/1906 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Warboys Wood | Alfred Fryer Edward Walter Hunnybun | Alexander Somerville Spencer Henry Bickham | 15/8/1906 | E |
| Potamogeton lucens | GB, VC31 Huntingdonshire, Woodwalton Fen | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Charles Bailey Spencer Henry Bickham | 5/8/1909 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Allan Octavian Hume | 7/8/1907 | SLBI |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Clarke's Farm | Alfred Fryer Edward Walter Hunnybun | Alfred Fryer Charles Bailey | 30/9/1909 | MANCH |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Mepal | Morris Alfred Fryer Edward Walter Hunnybun | Alfred Fryer Charles Bailey | 3/9/1909 | MANCH |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer Edward Walter Hunnybun | Alfred Fryer Charles Bailey | 3/9/1909 | MANCH |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer Charles Edward Moss Edward Walter Hunnybun | Alfred Fryer Charles Bailey | 3/9/1909 | MANCH |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Witcham | Edward Walter Hunnybun | Watson Botanical Exchange Club Job Edward Lousley | 9/9/1909 | SLBI |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Pond's Bridge | Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 3/8/1908 | MANCH |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Charles Bailey | 7/8/1907 | MANCH |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Charles Bailey Spencer Henry Bickham | 7/8/1907 | MANCH |
| 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 |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer Edward Walter Hunnybun | Botanical Exchange Club of The British Isles Francis Chalmers Crawford Spencer Henry Bickham | 7/8/1907 | E |