| 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 |
| 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 |
| 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 suaveolens x longifolia = M. x rotundifolia | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | Charles Bailey | 10/1846 | MANCH |
| 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 |
| Potamogeton acutifolius | GB, VC27 East Norfolk, Lower Heigham | Kirby Trimmer | Botanical Exchange Club of the Thirsk Natural History Society Mantua And Montferrat | 9/1857 | BON |
+ | Potamogeton acutifolius | GB, VC27 East Norfolk, nr Norwich,Lower Heigham | Kirby Trimmer | Charles Bailey William Lowndes Notcutt | | MANCH |
| Potamogeton alpinus | GB, VC27 East Norfolk, Scole | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |
| Potamogeton alpinus | GB, VC58 Cheshire, Langley | Kirby Trimmer | Alfred Fryer Charles Bailey | | MANCH |
| Potamogeton berchtoldii | GB, VC27 East Norfolk, Horstead | Kirby Trimmer | Alfred Fryer Charles Bailey | | MANCH |
| Potamogeton coloratus | GB, VC27 East Norfolk, Old Buckenham Fen | Kirby Trimmer | Alfred Fryer Charles Bailey | | MANCH |
+ | Potamogeton friesii | GB, VC27 East Norfolk, Bramerton | Kirby Trimmer | Charles Bailey | | MANCH |
| Potamogeton lucens | GB, VC38 Warwickshire, Sowe Waste, Coventry | | Kirby Trimmer | | ABS |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Coventry | Kirby Trimmer | Alfred Fryer Charles Bailey | 7/1839 | MANCH |
| Potamogeton pectinatus | GB, VC27 East Norfolk, Great Yarmouth | Kirby Trimmer | Charles Bailey | 8/1857 | MANCH |
| Potamogeton pectinatus | GB, VC27 East Norfolk, Great Yarmouth | Kirby Trimmer | Frederick Townsend | 14/7/1852 | SLBI |
| 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 |
| Potamogeton polygonifolius | GB, VC58 Cheshire, Macclesfield | Kirby Trimmer | Alfred Fryer Charles Bailey | | MANCH |
| Potamogeton polygonifolius | GB, VC58 Cheshire, Sutton | Kirby Trimmer | | 7/1854 | 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 pusillus | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | Mantua And Montferrat Charles Ottley Groom | 8/1836 | BON |
| Potamogeton trichoides | GB, VC25 East Suffolk, Framlingham | Kirby Trimmer | | 9/1863 | SLBI |
| Potamogeton trichoides | GB, VC27 East Norfolk, Flordon | Kirby Trimmer | Charles Bailey | 7/1852 | MANCH |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham Earl | Kirby Trimmer | Alfred Fryer Charles Bailey | | MANCH |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham Earl | Kirby Trimmer | Charles Bailey | 7/1866 | MANCH |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham, Norfolk | Kirby Trimmer | | 22/7/1866 | BON |
| Potamogeton trichoides | GB, VC27 East Norfolk, Framingham, Norfolk | Kirby Trimmer | Philip Brookes Mason | | BON |
| Sarcocornia perennis | GB, VC28 West Norfolk, Brancaster | Kirby Trimmer | Job Edward Lousley | 8/1836 | SLBI |
+ | Sedum album | GB, VC21 Middlesex, Brentford | Kirby Trimmer | John Hutton Balfour | 7/1836 | PTH |
| Sedum forsterianum | GB, VC27 East Norfolk, Dilham | Kirby Trimmer | Arthur Waters Preston William Hunt Painter | 6/1876 | ABS |
| Silene conica | GB, VC28 West Norfolk, East Harling | Kirby Trimmer | Harry James Goddard | 6/1869 | K |
| Teucrium chamaedrys | GB, VC27 East Norfolk, Norwich | Kirby Trimmer | John Ralfs | 7/1874 | SLBI |