+ | Arabis petraea | GB, VC49 Caernarvonshire, Snowdon, Clogwyn Du'r Arddu | John Norton Mills | John Norton Mills | 11/7/1941 | MANCH |
+ | Arabis petraea | GB, VC104 North Ebudes, Sgurr Sgumain | John Norton Mills | John Norton Mills | 23/6/1946 | MANCH |
+ | Arabis scabra | GB, VC34 West Gloucestershire, Clifton | John Norton Mills | John Norton Mills | 30/6/1941 | MANCH |
+ | Arenaria norvegica subsp. norvegica | GB, VC108 West Sutherland, Inchnadamph,Inchnadamff | John Norton Mills | John Norton Mills | 4/8/1954 | MANCH |
+ | Armeria maritima subsp. elongata | GB, VC53 South Lincolnshire, Ancaster | John Norton Mills | John Norton Mills | 26/7/1960 | MANCH |
+ | Artemisia campestris | GB, VC26 West Suffolk, Icklingham | John Norton Mills | John Norton Mills | 28/8/1947 | MANCH |
+ | Artemisia norvegica | GB, VC105 West Ross & Cromarty | John Norton Mills | John Norton Mills | 3/8/1954 | MANCH |
+ | Asparagus officinalis | GB, VC59 South Lancashire, Sefton,Ainsdale | John Norton Mills | John Norton Mills | 1/10/1950 | MANCH |
+ | Asparagus officinalis subsp. prostratus | GB, VC1 West Cornwall, Asparagus Island | John Norton Mills | John Norton Mills | 10/9/1951 | MANCH |
+ | Astragalus danicus | GB, VC23 Oxfordshire Cultivated | John Norton Mills | John Norton Mills | 28/6/1942 | MANCH |
+ | Astragalus danicus | GB, VC23 Oxfordshire Cultivated | John Norton Mills | John Norton Mills | 28/6/1942 | MANCH |
+ | Baldellia ranunculoides | GB, VC6 North Somerset, Shapwick | John Norton Mills | John Norton Mills | 4/7/1944 | MANCH |
+ | Baldellia ranunculoides | GB, VC45 Pembrokeshire, Dowrog moor | John Norton Mills | John Norton Mills | 18/8/1952 | MANCH |
+ | Blysmus compressus | GB, VC59 South Lancashire, Ainsdale | John Norton Mills | John Norton Mills | 22/8/1955 | MANCH |
+ | Blysmus compressus | GB, VC28 West Norfolk, Holme-by-the-Sea | John Norton Mills | John Norton Mills | 8/8/1946 | MANCH |
+ | Bupleurum falcatum | GB, VC19 North Essex, Ongar | John Norton Mills | | 17/8/1947 | MANCH |
+ | Bupleurum falcatum | GB, VC19 North Essex, Ongar | John Norton Mills | John Norton Mills | 17/8/1947 | MANCH |
+ | Bupleurum falcatum | GB, VC19 North Essex, Ongar | John Norton Mills | John Norton Mills | 17/8/1947 | MANCH |
+ | Bupleurum falcatum | GB, VC19 North Essex, Ongar | John Norton Mills | John Norton Mills | 17/8/1947 | MANCH |
+ | Bupleurum rotundifolium | GB, VC23 Oxfordshire, Kidlington, Sturdys Castle | John Norton Mills | John Norton Mills | 31/8/1941 | MANCH |
+ | Bupleurum tenuissimum | GB, VC18 South Essex, Tilbury | John Norton Mills John Patrick Micklethwait Brenan | John Norton Mills | 2/9/1944 | MANCH |
| Bupleurum tenuissimum | GB, VC18 South Essex, Tilbury | John Norton Mills John Patrick Micklethwait Brenan | | 2/9/1944 | K |
| Butomus umbellatus | GB, VC37 Worcestershire, Barnt Green | John Norton Mills | John Norton Mills | 1925 | MANCH |
| Calamagrostis epigejos x Ammophila arenaria = x Calammophila baltica | GB, VC27 East Norfolk, Winterton | John Norton Mills | John Norton Mills | 9/1940 | MANCH |
| Calamagrostis epigejos x Ammophila arenaria = x Calammophila baltica | GB, VC27 East Norfolk, Winterton | John Norton Mills | John Norton Mills | 9/1948 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | John Norton Mills | John Norton Mills | 13/7/1952 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | John Norton Mills | John Norton Mills | 13/7/1952 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | John Norton Mills | John Norton Mills | 13/7/1952 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | John Norton Mills | John Norton Mills | 13/7/1952 | MANCH |
+ | Calamintha arvensis | GB, VC17 Surrey, Dorking,Wotton | John Norton Mills | John Norton Mills | 9/8/1942 | MANCH |
| Callitriche platycarpa | GB, VC58 Cheshire, Bollington | John Norton Mills | John Norton Mills | 10/1/1960 | MANCH |
| Callitriche platycarpa | GB, VC59 South Lancashire, Didsbury | John Norton Mills | John Norton Mills | 24/5/1959 | MANCH |
| Callitriche stagnalis | GB, VC59 South Lancashire, Didsbury | John Norton Mills | John Norton Mills | 24/5/1959 | MANCH |
| Caltha palustris var. guerangerii | GB, VC59 South Lancashire, Bleakedgate Moor | Charles Edward Shaw John Norton Mills | John Norton Mills | 11/7/1964 | MANCH |
| Caltha palustris var. guerangerii | GB, VC37 Worcestershire, Bredon Hill | John Norton Mills | John Norton Mills | 4/1927 | MANCH |
| Caltha palustris var. guerangerii | GB, VC92 South Aberdeenshire, Meall Odhar | John Norton Mills | John Norton Mills | 12/7/1954 | MANCH |
+ | Cardamine impatiens | GB, VC57 Derbyshire, Buxton,Chee Dale | John Norton Mills | John Norton Mills | 1/6/1952 | MANCH |
+ | Carex atrofusca | GB, VC88 Mid Perthshire | | John Norton Mills | 19/6/1958 | MANCH |
+ | Carex buxbaumii | GB, VC97 West Inverness-shire, Arisaig | John Norton Mills | John Norton Mills | 28/6/1949 | MANCH |
+ | Carex chordorrhiza | GB, VC108 West Sutherland, Altnaharra | John Norton Mills | John Norton Mills | 15/6/1965 | MANCH |