| Thymus serpyllum | GB, VC26 West Suffolk, Lakenheath | Clifford Charles Townsend | Clifford Charles Townsend | 13/7/1957 | K |
| Veronica verna | GB, VC26 West Suffolk, Lakenheath | Clifford Charles Townsend | Clifford Charles Townsend | 26/4/1958 | K |
| Scleranthus annuus | GB, VC26 West Suffolk, Lakenheath Warren | Clifford Charles Townsend | | 23/4/1955 | K |
| Carex ericetorum | GB, VC26 West Suffolk, Lakenheath Warren | Clifford Charles Townsend | Clifford Charles Townsend | 23/4/1955 | K |
| Carex ericetorum | GB, VC26 West Suffolk, Lakenheath Warren | Clifford Charles Townsend | Clifford Charles Townsend | 19/5/1955 | K |
| Astragalus danicus | GB, VC26 West Suffolk, Lakenheath Warren | Clifford Charles Townsend | Clifford Charles Townsend | 19/5/1955 | K |
| Verbascum pulverulentum | GB, VC27 East Norfolk, Norwich | Leonard H Williams | Clifford Charles Townsend | 3/8/1951 | K |
| Scutellaria hastifolia | GB, VC28 West Norfolk, Brandon | Clifford Charles Townsend | Clifford Charles Townsend | 16/7/1955 | K |
| Stellaria palustris | GB, VC28 West Norfolk, Cranberry Rough | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1956 | K |
| Verbascum virgatum | GB, VC28 West Norfolk, Garboldisham | Clifford Charles Townsend | | 18/8/1955 | K |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Holme next the Sea | Clifford Charles Townsend | Clifford Charles Townsend | 18/8/1955 | K |
| Verbascum pulverulentum | GB, VC28 West Norfolk, Snettisham | Clifford Charles Townsend | Clifford Charles Townsend | 18/8/1955 | K |
| Thymus serpyllum | GB, VC28 West Norfolk, Thetford | Clifford Charles Townsend | Clifford Charles Townsend | 16/7/1955 | K |
| Hordeum marinum | GB, VC28 West Norfolk, Wolferton | Clifford Charles Townsend | Clifford Charles Townsend | 18/8/1955 | K |
| Galeopsis angustifolia | GB, VC28 West Norfolk, Wolferton | Clifford Charles Townsend | Clifford Charles Townsend | 9/8/1958 | K |
| Galeopsis angustifolia | GB, VC28 West Norfolk, Wolferton | Clifford Charles Townsend | Clifford Charles Townsend | 9/8/1958 | K |
| Lamium purpureum var. hybridum | GB, VC29 Cambridgeshire, Cambridge | Clifford Charles Townsend | Clifford Charles Townsend | 28/10/1957 | K |
| Verbascum virgatum | GB, VC29 Cambridgeshire, Cambridge | Clifford Charles Townsend | Clifford Charles Townsend | 4/8/1958 | K |
| Plantago major subsp. major | GB, VC29 Cambridgeshire, Cambridge | Clifford Charles Townsend | Clifford Charles Townsend | 7/6/1959 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Cambridge Botanic Gardens Cultivated | Clifford Charles Townsend | Clifford Charles Townsend | 1959 | K |
| Silene conica | GB, VC29 Cambridgeshire, Chippenham | Clifford Charles Townsend | Clifford Charles Townsend | 25/6/1955 | K |
| Plantago lanceolata var. anthoviridis | GB, VC29 Cambridgeshire, Chippenham | Clifford Charles Townsend | Clifford Charles Townsend | 25/6/1955 | K |
| Tephroseris integrifolia | GB, VC29 Cambridgeshire, Devil's Dyke | Clifford Charles Townsend | Clifford Charles Townsend | 25/6/1955 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Fleam Dyke | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1959 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Fleam Dyke | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1959 | K |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC29 Cambridgeshire, Fowlmere | Clifford Charles Townsend | Clifford Charles Townsend | 4/7/1959 | K |
| Astragalus danicus | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 19/6/1955 | K |
| Kickxia spuria | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 11/8/1955 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 11/8/1955 | K |
| Torilis arvensis | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 14/7/1957 | K |
| Plantago media | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 21/6/1959 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1959 | K |
| Galeopsis bifida | GB, VC29 Cambridgeshire, Grantchester | Clifford Charles Townsend | Clifford Charles Townsend | 3/8/1959 | K |
| Primula vulgaris x elatior = P. x digenea | GB, VC29 Cambridgeshire, Hardwicke | Clifford Charles Townsend | Clifford Charles Townsend | 16/4/1955 | K |
| Teucrium scordium | GB, VC29 Cambridgeshire, Upware | Clifford Charles Townsend | Clifford Charles Townsend | 18/9/1955 | K |
| Plantago major | GB, VC30 Bedfordshire, Flitwick | Clifford Charles Townsend | Clifford Charles Townsend | 21/8/1958 | K |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC30 Bedfordshire, Luton | Clifford Charles Townsend | Clifford Charles Townsend | 3/10/1959 | K |
| Galeopsis bifida | GB, VC30 Bedfordshire, Shefford | Clifford Charles Townsend | Clifford Charles Townsend | 4/10/1958 | K |
| Glebionis segetum | GB, VC30 Bedfordshire, Shefford | Clifford Charles Townsend | Clifford Charles Townsend | 1/7/1959 | K |
| Galeopsis angustifolia | GB, VC30 Bedfordshire, Stotfold | John George Dony | Clifford Charles Townsend | 12/8/1950 | K |