| Potamogeton alpinus | GB, VC27 East Norfolk, Scole | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| Potamogeton pectinatus | GB, VC27 East Norfolk, Great Yarmouth | Kirby Trimmer | Frederick Townsend | 14/7/1852 | SLBI |
| Potamogeton trichoides | GB, VC25 East Suffolk, Framlingham | Kirby Trimmer | | 9/1863 | SLBI |
| Sarcocornia perennis | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | Job Edward Lousley | 8/1836 | SLBI |
| Teucrium chamaedrys | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
+ | Frankenia laevis | GB, Norfolk, Titchwell | Kirby Trimmer | John Hutton Balfour | 10/8/1835 | PTH |
+ | Galium parisiense | GB, Norfolk, Castle Acre | Kirby Trimmer | John Hutton Balfour | 4/7/1836 | PTH |
+ | Sedum album | GB, VC21 Middlesex, Brentford | Kirby Trimmer | John Hutton Balfour | 7/1836 | PTH |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Catfield | Kirby Trimmer | | 8/1859 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Catfield | Kirby Trimmer | | 8/1859 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Heigham | Kirby Trimmer | | 9/1862 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Heigham Sound | Kirby Trimmer | | 9/1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Limpenhoe | Kirby Trimmer | | 9/1863 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Norwich, Heigham | Kirby Trimmer | | 9/1862 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 6/1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 6/1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 9/1859 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Sprowston | Kirby Trimmer | | 8/1858 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Tibenham | Kirby Trimmer | | 9/1858 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | | 10/1867 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC39 Staffordshire, Barton under Needwood | Kirby Trimmer | | 15/8/1854 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC39 Staffordshire, Langley | Kirby Trimmer | | 8/1854 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Banningham | Kirby Trimmer | Druce Herbarium, Oxford | 8/1859 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Banningham | Kirby Trimmer | | 8/1859 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Hemblington | Kirby Trimmer | Oxford University Herbarium | 8/1861 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Thurgarton | Kirby Trimmer | Oxford University Herbarium | 8/1857 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Blo Norton | Kirby Trimmer | | 8/1867 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | Oxford University Herbarium | 7/1863 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Woodrising | Kirby Trimmer | | 9/1850 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Yaxham | Kirby Trimmer | | 8/1866 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Fersfield | Kirby Trimmer | Oxford University Herbarium | 8/1859 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Fersfield | Kirby Trimmer | | 8/1859 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Foulsham | Kirby Trimmer | | 8/1866 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Foulsham | Kirby Trimmer | | 27/8/1866 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Horstead | Kirby Trimmer | | 8/1849 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Letheringsett | Kirby Trimmer | | 7/1858 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC27 East Norfolk, Swannington | Kirby Trimmer | | 8/1864 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC27 East Norfolk, Swannington | Kirby Trimmer | | 8/1864 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Thorpe Episcopi | Kirby Trimmer | | 8/1849 | OXF |