| Dactylorhiza maculata subsp. ericetorum | GB, VC6 North Somerset, Holcombe | Harold Stuart Thompson | Harold Stuart Thompson | 6/6/1916 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC6 North Somerset, Callow Rocks | Harold Stuart Thompson | Harold Stuart Thompson | 18/6/1916 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC10 Isle of Wight, Shanklin | Douglas Montague Heath | Douglas Montague Heath | 7/8/1916 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC10 Isle of Wight, Rookley | Douglas Montague Heath | Douglas Montague Heath | 30/6/1917 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC10 Isle of Wight, Mersley Down | Douglas Montague Heath | Douglas Montague Heath | 9/6/1918 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC11 South Hampshire, Hatchet Moor | Douglas Montague Heath | Douglas Montague Heath | 13/6/1918 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC14 East Sussex, Glynde | Richards | Marjorie Woolley Bostock | 8/6/1920 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC20 Hertfordshire, Bricket Wood | Isaac A Helsby | Isaac A Helsby | 25/6/1921 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC16 West Kent, Darenth | E Strawson | E Strawson | 30/6/1923 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Box Hill | E Strawson | E Strawson | 14/6/1924 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC16 West Kent, Keston | Job Edward Lousley | Job Edward Lousley | 25/6/1924 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC32 Northamptonshire, Bozeat | S A Chambers | S A Chambers | 6/1925 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Box Hill | S A Chambers | S A Chambers | 6/1926 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Broadmoor | David Guthrie Catcheside | David Guthrie Catcheside Job Edward Lousley | 12/6/1926 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Leith Hill | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Job Edward Lousley | 12/6/1926 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC66 County Durham, Widdybank Fell, Teesdale | Job Edward Lousley | Job Edward Lousley | 7/1927 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC1 West Cornwall, Lamorna Valley | Richard Barker Ullman | Richard Barker Ullman | 6/4/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC23 Oxfordshire, Menmarsh | George Claridge Druce | Botanical Exchange Club of The British Isles George Claridge Druce Job Edward Lousley | 5/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC1 West Cornwall, Lamorna | Richard Barker Ullman | Richard Barker Ullman | 6/6/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC1 West Cornwall, Lamorna | Richard Barker Ullman | Richard Barker Ullman | 6/6/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC1 West Cornwall, Lamorna | Richard Barker Ullman | Richard Barker Ullman | 6/6/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC100 Clyde Islands, Lamlash | Charles Baynard Tahourdin Robert MacKechnie | Watson Botanical Exchange Club Edward Charles Wallace | 7/1928 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC1 West Cornwall, Kynance Down | Job Edward Lousley | Job Edward Lousley | 1/6/1929 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Brookwood | Job Edward Lousley | Job Edward Lousley | 8/7/1929 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC52 Anglesey, Aberffraw | Job Edward Lousley | Job Edward Lousley | 19/6/1931 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC52 Anglesey, Aberffraw | Job Edward Lousley | Job Edward Lousley | 19/6/1931 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC69 Westmorland, Lake Windermere | Isaac A Helsby | Isaac A Helsby | 6/1936 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC88 Mid Perthshire, Sow of Atholl | Job Edward Lousley | Job Edward Lousley | 29/6/1936 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC108 West Sutherland, Inchnadamph | Job Edward Lousley | Job Edward Lousley | 5/7/1936 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | IE, VCH9 Co. Clare, Ballyvaughan | Douglas Montague Heath | Douglas Montague Heath | 17/7/1936 to 18/7/1936 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC11 South Hampshire, Holmsley Bog | William Robert Sherrin | William Robert Sherrin | 6/1941 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC14 East Sussex, Eridge | John Richard Wallis | John Richard Wallis | 30/5/1943 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC14 East Sussex, Newbridge | John Richard Wallis | | 21/6/1943 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC14 East Sussex, Newbridge | John Richard Wallis | John Richard Wallis | 21/6/1943 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC14 East Sussex, Newbridge | John Richard Wallis | John Richard Wallis | 21/6/1943 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC4 North Devon, Exmoor | | Croydon Natural History and Scientific Society Robert Russell Hutchinson | 6/1947 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC69 Westmorland, Blelham Tarn | Denis John Carr | University of Manchester | 7/1948 | ABS |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Bookham Common | Edward Benedict Bangerter | London Natural History Society | 6/7/1948 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | GB, VC17 Surrey, Bookham Common | Edward Benedict Bangerter | London Natural History Society | 6/7/1948 | SLBI |
| Dactylorhiza maculata subsp. ericetorum | IE, VCH1 South Kerry, Glencar | James B Phipps | James B Phipps | 6/1954 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | IE, VCH1 South Kerry, Glencar | James B Phipps | | 21/6/1954 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | IE, VCH1 South Kerry, Glencar | James B Phipps | James B Phipps | 21/6/1954 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | IE, VCH1 South Kerry, Glencar | James B Phipps | James B Phipps | 24/6/1954 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC104 North Ebudes, Skye | Farlow | | 8/1956 | BON |
| Dactylorhiza maculata subsp. ericetorum | GB, VC46 Cardiganshire, Pont-erwyd | D P Bevan | | 1/6/1959 | ABS |
| Dactylorhiza maculata subsp. ericetorum | GB, VC96 East Inverness-shire, Glenmore Lodge | R E Longton | | 6/7/1959 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC110 Outer Hebrides, Raerinish Point | Brian William Fox | | 5/8/1959 | BON |
| Dactylorhiza maculata subsp. ericetorum | GB, VC49 Caernarvonshire, Bethesda | | | 20/7/1964 | BON |
| Dactylorhiza maculata subsp. ericetorum | GB, VC46 Cardiganshire, Ynyslas | M Hildred Bigwood | | 7/1972 | ABS |