| 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 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 | | 9/1859 | 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 | | 6/1861 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Sprowston | Kirby Trimmer | | 8/1858 | 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 var. alopecuroides | GB, VC27 East Norfolk, Thorpe Episcopi | Kirby Trimmer | | 8/1849 | 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 | British Museum (Natural History) | 28/8/1883 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Blo Norton | Kirby Trimmer | | 8/1867 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | | 10/1867 | 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, Norfolk, Bradfield | Kirby Trimmer | | 8/1867 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk, Great Melton | Kirby Trimmer | | 8/1854 | 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 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 |
| Potamogeton pusillus | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | Mantua And Montferrat Charles Ottley Groom | 8/1836 | BON |
| Elytrigia juncea | GB, VC28 West Norfolk, Hunstanton | Kirby Trimmer | Charles Ottley Groom | 6/8/1835 | BON |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Woodrising | Kirby Trimmer | | 9/1850 | OXF |
| Potamogeton praelongus | GB, VC27 East Norfolk, Rockland Broad | Kirby Trimmer | Augustin Ley | 17/7/1866 | BIRM |
| Leonurus cardiaca | GB, VC28 West Norfolk, Burnham Thorpe | Kirby Trimmer | George Lloyd | 9/1836 | K |
| Ajuga chamaepitys | GB, VC28 West Norfolk, Wolferton | Kirby Trimmer | George Lloyd | 5/1837 | K |
| Sedum forsterianum | GB, VC27 East Norfolk, Dilham | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
| Epipactis palustris | GB, VC27 East Norfolk, Honing | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
| Holosteum umbellatum | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 4/1859 | ABS |
| Teucrium chamaedrys | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| Potamogeton alpinus | GB, VC27 East Norfolk, Scole | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| 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 |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk | Kirby Trimmer | Frederic Stratton John Thomas Irvine Boswell-Syme | 1869 | OXF |
| Potamogeton pectinatus | GB, VC27 East Norfolk, Great Yarmouth | Kirby Trimmer | Frederick Townsend | 14/7/1852 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Catfield | Kirby Trimmer | | 8/1859 | OXF |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham, Norfolk | Kirby Trimmer | Philip Brookes Mason | | BON |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham, Norfolk | Kirby Trimmer | | 22/7/1866 | BON |
| Medicago sativa | GB, VC27 East Norfolk, Hellesdon | Kirby Trimmer | | 14/8/1867 | BON |
| Potamogeton praelongus | GB, VC27 East Norfolk, Rockland Broad | Kirby Trimmer | | 17/7/1866 | BON |
| Carex arenaria | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | | 20/6/1835 | E |
| Sarcocornia perennis | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | Job Edward Lousley | 8/1836 | SLBI |
| Potamogeton lucens | GB, VC38 Warwickshire, Sowe Waste, Coventry | | Kirby Trimmer | | ABS |
| Potamogeton polygonifolius | GB, VC58 Cheshire, Sutton | Kirby Trimmer | | 7/1854 | MANCH |