| 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 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 aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 9/1859 | OXF |
| Potamogeton pectinatus | GB, VC27 East Norfolk, Great Yarmouth GB, VC28 West Norfolk, Fakenham | Kirby Trimmer William Lowndes Notcutt | Charles Bailey William Lowndes Notcutt | 3/6/1852 1860 | MANCH |
| 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 | | 6/1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Southwood | Kirby Trimmer | | 6/1861 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Hemblington | Kirby Trimmer | Oxford University Herbarium | 8/1861 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk, Kenninghall | Kirby Trimmer | | 8/1861 | 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, Heigham | Kirby Trimmer | | 9/1862 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Norwich, Heigham | Kirby Trimmer | | 9/1862 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | Oxford University Herbarium | 7/1863 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Limpenhoe | Kirby Trimmer | | 9/1863 | OXF |
| Potamogeton trichoides | GB, VC25 East Suffolk, Framlingham | Kirby Trimmer | | 9/1863 | SLBI |
| 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 |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham Earl | Kirby Trimmer | Charles Bailey | 7/1866 | MANCH |
| Potamogeton praelongus | GB, VC27 East Norfolk, Rockland Broad | Kirby Trimmer | Augustin Ley | 17/7/1866 | BIRM |
| Potamogeton praelongus | GB, VC27 East Norfolk, Rockland Broad | Kirby Trimmer | | 17/7/1866 | BON |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham, Norfolk | Kirby Trimmer | | 22/7/1866 | BON |
| 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, 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 arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Blo Norton | Kirby Trimmer | | 8/1867 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk, Bradfield | Kirby Trimmer | | 8/1867 | OXF |
| Medicago sativa | GB, VC27 East Norfolk, Hellesdon | Kirby Trimmer | | 14/8/1867 | BON |
| Mentha aquatica x spicata = M. x piperita | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | | 10/1867 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Billingford | Kirby Trimmer | Druce Herbarium, Oxford | 11/1868 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk | Kirby Trimmer | Frederic Stratton John Thomas Irvine Boswell-Syme | 1869 | OXF |
| Silene conica | GB, VC28 West Norfolk, East Harling | Kirby Trimmer | Harry James Goddard | 6/1869 | K |
| Potamogeton alpinus | GB, VC27 East Norfolk, Scole | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| Teucrium chamaedrys | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| Groenlandia densa | GB, VC27 East Norfolk, Horstead | Kirby Trimmer | Harry James Goddard | 8/1874 | K |
+ | Bupleurum tenuissimum | GB, VC28 West Norfolk | Kirby Trimmer | Charles Bailey | 8/1875 | MANCH |
+ | Frankenia laevis | GB, VC28 West Norfolk, Burnham Overy | Kirby Trimmer | Charles Bailey John Harbord Lewis | 8/1875 | MANCH |
| Epipactis palustris | GB, VC27 East Norfolk, Honing | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
| Sedum forsterianum | GB, VC27 East Norfolk, Dilham | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
| 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 x piperita | GB, VC27 East Norfolk, Whitwell | Kirby Trimmer | The British Museum Watson Botanical Exchange Club Albert Bruce Jackson Arthur Bennett Charles Edgar Salmon | 28/8/1883 | K |