| Callitriche | GB, VC10 Isle of Wight, Alverstone | Clifford Charles Townsend | Clifford Charles Townsend | 19/7/1951 | K |
| Callitriche | GB, VC33 East Gloucestershire, Whitminster | Clifford Charles Townsend | Clifford Charles Townsend | 5/7/1947 | K |
| Callitriche brutia | GB, VC49 Caernarvonshire, Llyn Idwal | Clifford Charles Townsend | Clifford Charles Townsend | 1/7/1952 | K |
| Callitriche intermedia | GB, VC96 East Inverness-shire, Abernethy Forest | Clifford Charles Townsend | Clifford Charles Townsend | 24/7/1956 | K |
| Callitriche stagnalis | GB, VC34 West Gloucestershire, Cinderford | Clifford Charles Townsend | Clifford Charles Townsend | 30/6/1951 | K |
| Callitriche stagnalis | GB, VC10 Isle of Wight, Alverstone | Clifford Charles Townsend | Clifford Charles Townsend | 19/7/1951 | K |
| Callitriche stagnalis | GB, VC97 West Inverness-shire, Onich | Clifford Charles Townsend | Clifford Charles Townsend | 7/7/1961 | 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 |
| Cephalanthera longifolia | GB, VC38 Warwickshire, Oversley Wood | Clifford Charles Townsend | Clifford Charles Townsend | 31/5/1953 | K |
| Chaenorhinum minus | GB, VC33 East Gloucestershire, Charlton Kings | Clifford Charles Townsend | Clifford Charles Townsend | 7/6/1947 | K |
| Clinopodium ascendens | GB, VC36 Herefordshire, Symonds Yat | Clifford Charles Townsend | Clifford Charles Townsend | 31/8/1950 | K |
| Cuscuta epithymum | GB, VC9 Dorset, Wareham Heath | D O Jones | Clifford Charles Townsend | 1949 | K |
| Cuscuta epithymum | GB, VC22 Berkshire, Sulhamstead | Leonard H Williams | Clifford Charles Townsend | 8/7/1945 | K |
| Cuscuta epithymum | GB, VC9 Dorset, Studland Bay | Clifford Charles Townsend | Clifford Charles Townsend | 18/7/1953 | K |
| Cymbalaria pallida | GB, VC70 Cumberland, Honister Pass | D O Jones | Clifford Charles Townsend | 6/1954 | K |
| Dactylis glomerata | GB, VC33 East Gloucestershire, Badgeworth | | Clifford Charles Townsend | 14/8/1950 | K |
| Dianthus deltoides | GB, VC12 North Hampshire, Mortimer West End | Clifford Charles Townsend | | 18/6/1945 | K |
| Dianthus deltoides | GB, VC49 Caernarvonshire, Deganwy | Clifford Charles Townsend | Clifford Charles Townsend | 2/7/1952 | K |
| Erinus alpinus | GB, VC33 East Gloucestershire, Charlton Kings | Clifford Charles Townsend | Clifford Charles Townsend | 17/5/1952 | K |
| Erinus alpinus | GB, VC33 East Gloucestershire, Charlton Kings | Clifford Charles Townsend | Clifford Charles Townsend | 17/5/1952 | K |
| Erinus alpinus | GB, VC33 East Gloucestershire, Charlton Kings | Clifford Charles Townsend | Clifford Charles Townsend | 17/5/1952 | K |
| Festuca arundinacea | GB, VC9 Dorset, Weymouth | Clifford Charles Townsend | Clifford Charles Townsend | 19/7/1953 | K |
| Festuca arundinacea | GB, VC34 West Gloucestershire, Bitton | | Clifford Charles Townsend | 7/7/1951 | K |
| Festuca arundinacea | GB, VC4 North Devon, Lynmouth | Clifford Charles Townsend | | 19/6/1950 | K |
| Festuca arundinacea | GB, VC34 West Gloucestershire, Fretherne | Clifford Charles Townsend | | 5/7/1947 | K |
| Festuca arundinacea | GB, VC35 Monmouthshire, Tintern | Clifford Charles Townsend | | 30/6/1949 | K |
| Festuca arundinacea | GB, VC34 West Gloucestershire, Barbers Bridge | | Clifford Charles Townsend | 28/8/1950 | K |
| Fraxinus excelsior | GB, VC16 West Kent, Greenhithe | Clifford Charles Townsend | Clifford Charles Townsend | 7/6/1958 | K |
| Galeopsis angustifolia | GB, VC34 West Gloucestershire, Cherington | R B Abell | Clifford Charles Townsend | | K |
| Galeopsis angustifolia | GB, VC33 East Gloucestershire, Cheltenham | Clifford Charles Townsend | Clifford Charles Townsend | 15/8/1948 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1959 | K |
| Galeopsis angustifolia | GB, VC33 East Gloucestershire, Ullenwood | Clifford Charles Townsend | Clifford Charles Townsend | 30/6/1946 | K |
| Galeopsis angustifolia | GB, VC14 East Sussex, Eastbourne, Crumbles | Clifford Charles Townsend | Clifford Charles Townsend | 11/7/1960 | K |
| Galeopsis angustifolia | GB, VC38 Warwickshire, Newbold on Stour | Clifford Charles Townsend | Clifford Charles Townsend | 13/8/1953 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Gog Magog Hills | Clifford Charles Townsend | Clifford Charles Townsend | 11/8/1955 | K |
| Galeopsis angustifolia | GB, VC37 Worcestershire, Kemerton | Clifford Charles Townsend | Clifford Charles Townsend | 23/11/1954 | K |
| Galeopsis angustifolia | GB, VC15 East Kent, Dungeness | Clifford Charles Townsend | Clifford Charles Townsend | 21/7/1960 | K |
| Galeopsis angustifolia | GB, VC37 Worcestershire, Bredon Hill | P Park | Clifford Charles Townsend | 8/1950 | K |
| Galeopsis angustifolia | GB, VC29 Cambridgeshire, Fleam Dyke | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1959 | K |