| Helianthemum oelandicum subsp. incanum | GB, VC41 Glamorganshire, Caswell Bay | Joseph Hesselgrave Thompson | George Stephen West Martha Maria Atwood | 6/7/1852 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC41 Glamorganshire, Pennard | Augustin Ley | Augustin Ley | 1/6/1903 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC41 Glamorganshire, Pwlldu Head | Augustin Ley | Augustin Ley | 2/6/1903 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | | | 7/7/1876 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Charles Bailey | Charles Bailey | 7/6/1876 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 27/5/1910 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Douglas Montague Heath Frederick Robinson | Douglas Montague Heath | 12/7/1921 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | William West | George Stephen West William West | 8/1889 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Ormes Head | Augustin Ley | Augustin Ley | 18/6/1901 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Ormes Head | William West | George Stephen West William West | 15/8/1888 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | Augustin Ley | Augustin Ley | 19/6/1901 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | Augustin Ley | Augustin Ley | 8/7/1904 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | George Hartley Bryan | Harold Stuart Thompson | 6/1916 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | George Hartley Bryan | Harold Stuart Thompson | 7/1916 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Ormes Head | Charles Waterfall | Douglas Montague Heath Frederick Robinson | 30/6/1915 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Llandudno Junction | Augustin Ley | Augustin Ley | 21/6/1901 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Llandudno Junction | Augustin Ley | Augustin Ley | 21/6/1901 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC51 Flintshire, Dyserth | Joseph Whittaker | Harold Stuart Thompson Thomas Clark | 7/1852 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Cronkley | George Claridge Druce | Augustin Ley George Claridge Druce | 6/1882 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Cronkley | Thomas Gough | George Stephen West William West | 7/1877 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Cronkley Fell | John Gilbert Baker | Augustin Ley Isaiah Waterloo Nicholson Keys | 8/1857 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Middleton in Teesdale,Cronkley Fell | Douglas Montague Heath | Douglas Montague Heath | 29/6/1926 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Middleton in Teesdale,Cronkley Fell | Henry Elliott Fox | Botanical Exchange Club of The British Isles Augustin Ley | 2/7/1886 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Middleton in Teesdale,Cronkley Fell | Henry Tuke Mennell | Harold Stuart Thompson Henry Tuke Mennell | | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, North Yorkshire, Teesdale | William West | George Stephen West William West | 5/1888 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC69 Westmorland, Kendal,Scout Scar | Augustin Ley | Augustin Ley | 8/7/1905 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, VC69 Westmorland, Whitbarrow | Augustin Ley | Augustin Ley | 31/8/1880 | BIRM |
| Helianthemum oelandicum subsp. incanum | GB, Ambiguous locality (GB), Grange | J E Wilson | George Stephen West | 6/1880 | BIRM |
| Helianthemum oelandicum subsp. incanum | IE, No_match, Galway Bay | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Augustin Ley | 14/6/1894 | BIRM |
| Helianthemum oelandicum subsp. incanum | IE, VCH9 Co. Clare, Ballyryan | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 6/1895 | BIRM |
| Helianthemum canum | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Dublin Museum Harry Corbyn Levinge | 19/5/1892 | GALW |
| Helianthemum canum | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Dublin Museum Harry Corbyn Levinge | 19/5/1892 | GALW |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | 5/1953 | GLR |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | 5/1953 | GLR |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Little Orme | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | 5/1953 | GLR |
| Helianthemum oelandicum subsp. incanum | GB, VC65 North-west Yorkshire, Cronkley Scar | | Dorothy Ellis de Vesian | 7/1948 | GLR |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Jethro Justinian Harris Teall | Dulwich College | 30/8/1892 | SLBI |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | | Isaac A Helsby | 19/5/1926 | SLBI |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Allan Octavian Hume | Allan Octavian Hume | 13/5/1905 | SLBI |
| Helianthemum oelandicum subsp. incanum | GB, VC49 Caernarvonshire, Great Orme's Head | Allan Octavian Hume | Allan Octavian Hume | 17/5/1905 | SLBI |