| Ajuga chamaepitys | GB, VC28 West Norfolk, Wolferton | Kirby Trimmer | George Lloyd | 5/1837 | K |
+ | Bupleurum tenuissimum | GB, VC28 West Norfolk | Kirby Trimmer | Charles Bailey | 8/1875 | MANCH |
| Carex arenaria | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | | 20/6/1835 | E |
| Carex riparia | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | John Ball | 22/5/1835 | E |
| Elytrigia juncea | GB, VC28 West Norfolk, Hunstanton | Kirby Trimmer | Charles Ottley Groom | 6/8/1835 | BON |
| Epipactis palustris | GB, VC27 East Norfolk, Honing | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
+ | Frankenia laevis | GB, VC28 West Norfolk, Burnham Overy | Kirby Trimmer | Charles Bailey John Harbord Lewis | 8/1875 | MANCH |
+ | 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 |
+ | Groenlandia densa | GB, VC27 East Norfolk, Horstead | Kirby Trimmer | Charles Bailey John Harbord Lewis | 8/1857 | MANCH |
| Groenlandia densa | GB, VC27 East Norfolk, Horstead | Kirby Trimmer | Harry James Goddard | 8/1874 | K |
| Holosteum umbellatum | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 4/1859 | ABS |
| Leonurus cardiaca | GB, VC28 West Norfolk, Burnham Thorpe | Kirby Trimmer | George Lloyd | 9/1836 | K |
| Medicago sativa | GB, VC27 East Norfolk, Hellesdon | Kirby Trimmer | | 14/8/1867 | BON |
| 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, VC27 East Norfolk, Whitwell | Kirby Trimmer | The British Museum | 28/8/1883 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | British Museum (Natural History) | 28/8/1883 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | The British Museum Watson Botanical Exchange Club Arthur Bennett Charles Edgar Salmon | 28/8/1883 | CGE |
| 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 |