| Anemone nemorosa | GB, VC58 Cheshire, Hale | Harold Britten | Harold Britten | 27/4/1924 | MANCH |
| Antennaria dioica | GB, VC49 Caernarvonshire, Great Orme's Head | Harold Britten | J H Shorrocks | 24/8/1930 | MANCH |
+ | Arabis scabra | GB, VC34 West Gloucestershire, Bristol | W Bellerby | Harold Britten | 4/1902 | MANCH |
+ | Centaurea calcitrapa | GB, VC59 South Lancashire, Manchester,Burnage | Harold Britten | Harold Britten | 7/1923 | MANCH |
+ | Cornus suecica | GB, VC59 South Lancashire, Blackburn,Darwen | C R Ritchings | Harold Britten | 1922 | MANCH |
+ | Cuscuta epithymum | GB, VC3 South Devon, Teignmouth | D Hodgkinson | Harold Britten | 21/7/1926 | MANCH |
| Diphasiastrum alpinum | GB, VC69 Westmorland, Saint Sunday Crag | Harold Britten | | 28/6/1926 | CLE |
| Epipactis helleborine | GB, VC17 Surrey, Box Hill | W Corbett | Harold Britten | 23/7/1924 | MANCH |
+ | Euphorbia exserta | GB, VC4 North Devon, Bideford,Buckland Brewer | | Harold Britten Thomas Entwhistle | 25/7/1897 | MANCH |
+ | Euphorbia exserta | GB, VC49 Caernarvonshire, Colwyn Bay,Llanddulas | A Pollitt | Harold Britten | 23/8/1924 | MANCH |
+ | Euphrasia confusa | GB, VC57 Derbyshire, Buxton,Chee Dale | Harold Britten | Harold Britten | 31/8/1924 | MANCH |
+ | Euphrasia confusa | GB, VC57 Derbyshire, Buxton,Chee Dale | Harold Britten | Harold Britten | 31/8/1924 | MANCH |
+ | Euphrasia confusa | GB, VC59 South Lancashire, Birkdale | Harold Britten | Harold Britten | 13/9/1924 | MANCH |
+ | Euphrasia confusa | GB, VC59 South Lancashire, Birkdale | Harold Britten | Harold Britten | 13/9/1924 | MANCH |
+ | Euphrasia nemorosa x micrantha | GB, VC49 Caernarvonshire, Great Orme's Head | Harold Britten | | 24/8/1930 | MANCH |
+ | Euphrasia nemorosa x micrantha | GB, VC49 Caernarvonshire, Llandudno,Great Orme | Harold Britten | | 24/8/1930 | MANCH |
| Galeopsis versicolor | GB, VC58 Cheshire, Mobberley | Harold Britten | Harold Britten | 7/1900 | K |
+ | Galium tricornutum | GB, VC59 South Lancashire, Clayton | E Collier | Harold Britten | 15/8/1914 | MANCH |
+ | Genista anglica | GB, VC57 Derbyshire, Fernilee | Harold Britten | Harold Britten | 4/7/1931 | MANCH |
+ | Gentianella campestris | GB, VC59 South Lancashire, Birkdale | Harold Britten | Harold Britten | 10/8/1924 | MANCH |
+ | Gnaphalium supinum | GB, VC88 Mid Perthshire, Ben Lawers | J H Shorrocks | Harold Britten J H Shorrocks | 15/8/1913 | MANCH |
+ | Habenaria albida | GB, VC57 Derbyshire, Fernilee | Harold Britten | Harold Britten | 4/7/1931 | MANCH |
| Huperzia selago | GB, VC69 Westmorland, Saint Sunday Crag | Harold Britten | | 28/6/1926 | CLE |
| Huperzia selago | GB, VC70 Cumberland, Cross Fell | Harold Britten | Harold Britten | 20/4/1924 | CLE |
| Isoetes lacustris | GB, VC70 Cumberland, Watendlath Tarn | Harold Britten | Harold Britten | 19/6/1925 | CLE |
+ | Lathyrus aphaca | GB, VC59 South Lancashire, Burnage | Harold Britten | | 3/7/1923 | MANCH |
| Lycopodium clavatum | GB, VC69 Westmorland, Deepdale | Harold Britten | | 9/6/1924 | CLE |
| Lycopodium clavatum | GB, VC69 Westmorland, Saint Sunday Crags | Harold Britten | | 28/6/1926 | CLE |
+ | Minuartia verna | GB, VC49 Caernarvonshire, Little Orme | F W Britten | Harold Britten | 13/6/1924 | MANCH |
+ | Minuartia verna | GB, VC57 Derbyshire, Matlock | J C Varty Smith | Harold Britten | 23/6/1884 | MANCH |
+ | Misopates orontium | GB, VC59 South Lancashire, Burnage | Harold Britten | Harold Britten | 13/7/1923 | MANCH |
+ | Nepeta cataria | GB, VC58 Cheshire, Stalybridge | J W Collier | Harold Britten J W Collier | 15/8/1914 | MANCH |
+ | Nepeta cataria | GB, VC59 South Lancashire, Burnley | C R Ritchings | Harold Britten | 1923 | MANCH |
| Oxalis acetosella | GB, VC58 Cheshire, Poynton | Harold Britten | Harold Britten | 4/5/1930 | MANCH |
+ | Scandix pecten-veneris | GB, VC58 Cheshire, Stalybridge | J W Collier | Harold Britten | 7/1922 | MANCH |
+ | Scandix pecten-veneris | GB, VC59 South Lancashire, Manchester,Burnage | Harold Britten | | 7/1923 | MANCH |
| Selaginella selaginoides | GB, VC69 Westmorland, Scarsdale | Harold Britten | Harold Britten | 27/6/1926 | CLE |
| Selaginella selaginoides | GB, VC69 Westmorland, Scarsdale | Harold Britten | | 27/6/1926 | CLE |
| Selaginella selaginoides | GB, VC69 Westmorland, Stock Ghyll Force | Harold Britten | | 23/6/1926 | CLE |
| Serratula tinctoria | GB, VC49 Caernarvonshire, Great Orme's Head | Harold Britten | | 24/8/1930 | MANCH |
| Serratula tinctoria | GB, VC49 Caernarvonshire, Great Ormes Head | | Harold Britten | 24/8/1930 | MANCH |
+ | Silene noctiflora | GB, VC59 South Lancashire, Burnage | Harold Britten | | 7/1925 | MANCH |
+ | Silene nutans | GB, VC49 Caernarvonshire, Little Ormes Head | F W Britten | Harold Britten | 13/6/1924 | MANCH |
| Thymus chamaedrys | GB, VC62 North-east Yorkshire, Runswick | Harold Britten M E Denton | | 17/8/1936 | K |
| Thymus chamaedrys | GB, VC62 North-east Yorkshire, Runswick | Harold Britten | | 24/8/1936 | K |
+ | Veronica spicata subsp. hybrida | GB, VC49 Caernarvonshire, Little Ormes Head | Harold Britten | Harold Britten | 21/9/1924 | MANCH |