| Convallaria majalis | GB, VC64 Mid-west Yorkshire, Settle | Joseph Hesselgrave Thompson William Hunt Painter | William Hunt Painter | 5/1888 | SHYB |
| Coronopus didymus | GB, VC3 South Devon, Exeter | Joseph Hesselgrave Thompson | William Hunt Painter | 13/9/1848 | ABS |
| Coronopus didymus | GB, VC3 South Devon, Exeter | Joseph Hesselgrave Thompson | William Hunt Painter | 19/8/1869 | ABS |
| Coronopus didymus | GB, Devon, Plymouth | Joseph Hesselgrave Thompson | William Hunt Painter | 8/1877 | ABS |
| Crassula tillaea | GB, VC113 Channel Islands, Guernsey | | John Fraser Joseph Hesselgrave Thompson William Hunt Painter | 6/1877 | ABS |
| Cuscuta epithymum | GB, VC37 Worcestershire, Hartlebury | Joseph Hesselgrave Thompson | William Hunt Painter | 6/8/1881 | ABS |
| Cyperus longus | GB, VC113 Channel Islands, Alderney | Govett | Joseph Hesselgrave Thompson William Hunt Painter | 1842 | ABS |
| Dipsacus pilosus | GB, VC37 Worcestershire, Astley | Joseph Hesselgrave Thompson | William Hunt Painter | 8/1846 | ABS |
| Doronicum pardalianches | GB, VC39 Staffordshire, Arley | Joseph Hesselgrave Thompson | William Hunt Painter | 6/1878 | ABS |
| Drosera intermedia | GB, VC17 Surrey, Frensham, Great Pond | Joseph Hesselgrave Thompson | William Hunt Painter | 27/7/1849 | ABS |
| Dryopteris villarii | GB, VC64 Mid-west Yorkshire, Attermere Crags | Joseph Hesselgrave Thompson | William Hunt Painter | 29/8/1853 | ABS |
| Eleogiton fluitans | GB, VC37 Worcestershire, Hartlebury Common | Joseph Hesselgrave Thompson | William Hunt Painter | 1/7/1874 | ABS |
| Elodea canadensis | GB, VC38 Warwickshire, Coventry | Thomas Westcombe | Joseph Hesselgrave Thompson | 9/1857 | ABS |
| Elymus pungens | GB, VC1 West Cornwall, Penzance | John Fraser | Joseph Hesselgrave Thompson William Hunt Painter | 10/8/1878 | ABS |
| Erica erigena | IE, Ambiguous locality (IE), Mayo | | Fraser Joseph Hesselgrave Thompson William Hunt Painter | 4/1876 | ABS |
| Erica vagans | GB, VC1 West Cornwall, Angarrack | Joseph Hesselgrave Thompson | William Hunt Painter | 7/9/1848 | ABS |
| Eriocaulon aquaticum | GB, VC104 North Ebudes, Sligachan | | Joseph Hesselgrave Thompson William Mathews William Hunt Painter | 24/8/1878 | ABS |
| Eriophorum latifolium | GB, VC40 Shropshire, Wyre Forest, Bewdley | Joseph Hesselgrave Thompson | William Hunt Painter | 1/7/1881 | ABS |
| Erodium maritimum | GB, VC37 Worcestershire, Kidderminster | | Joseph Hesselgrave Thompson William Hunt Painter | 14/6/1877 | ABS |
| Erodium maritimum | GB, VC37 Worcestershire, Pekket Rock | Joseph Hesselgrave Thompson | William Hunt Painter | 29/4/1876 | ABS |
| Euphorbia portlandica | GB, VC3 South Devon, Torquay, Hope's nose | Joseph Hesselgrave Thompson | William Hunt Painter | 7/1853 | ABS |
| Fagopyrum esculentum | GB, VC37 Worcestershire, Hunnington | Joseph Hesselgrave Thompson | | 25/8/1885 | ABS |
| Festuca gigantea | GB, VC38,VC39, Middleton | James Eustace Bagnall Joseph Hesselgrave Thompson | William Hunt Painter | 24/9/1877 | ABS |
| Filago lutescens | GB, VC37 Worcestershire, Kidderminster | Joseph Hesselgrave Thompson | William Hunt Painter | 19/7/1883 | ABS |
| Filago minima | GB, VC12 North Hampshire, Kingsley | | Joseph Hesselgrave Thompson | 7/1851 | ABS |
| Filago minima | GB, VC37 Worcestershire, Stourport | Joseph Hesselgrave Thompson | William Hunt Painter | 6/8/1881 | ABS |
| Filago vulgaris | GB, VC37 Worcestershire, Malvern | Joseph Hesselgrave Thompson | William Hunt Painter | | ABS |
| Fumaria capreolata | GB, VC36 Herefordshire, Bromyard | Joseph Hesselgrave Thompson | William Hunt Painter | 5/1878 | ABS |
| Galium palustre | GB, VC37 Worcestershire, Hartlebury | Joseph Hesselgrave Thompson | William Hunt Painter | 6/1877 | ABS |
| Galium palustre subsp. palustre | GB, VC37 Worcestershire, Shrawley | Joseph Hesselgrave Thompson | William Hunt Painter | 20/6/1848 | ABS |
| Galium uliginosum | GB, VC37 Worcestershire, Churchill | Joseph Hesselgrave Thompson | William Hunt Painter | 12/9/1884 | SHYB |
| Geranium pyrenaicum | GB, VC36 Herefordshire, Little Hereford | Joseph Hesselgrave Thompson | | 21/6/1878 | ABS |
| Gnaphalium uliginosum | GB, VC36 Herefordshire, Orleton | Joseph Hesselgrave Thompson | William Hunt Painter | 8/1878 | ABS |
| Habenaria conopsea | GB, VC37 Worcestershire, Wyre Forest | Joseph Hesselgrave Thompson | | 13/8/1883 | ABS |
| Helianthemum oelandicum subsp. incanum | GB, VC41 Glamorganshire, Caswell Bay | Joseph Hesselgrave Thompson | George Stephen West Martha Maria Atwood | 6/7/1852 | BIRM |
| Hieracium | GB, VC36 Herefordshire, Great Doward | Joseph Hesselgrave Thompson | | 31/5/1857 | ABS |
| Hieracium | GB, VC90 Angus, Glen Phee | Joseph Hesselgrave Thompson | | 30/7/1856 | ABS |
| Hieracium sabaudum | GB, VC37 Worcestershire, Kidderminster, Churchill | Joseph Hesselgrave Thompson | | 11/10/1880 | ABS |
| Hieracium umbellatum | GB, VC37 Worcestershire, Churchill | Joseph Hesselgrave Thompson | | 1/10/1880 | ABS |
| Holcus lanatus | GB, VC37 Worcestershire, Kidderminster | Joseph Hesselgrave Thompson | | | ABS |