| Mentha suaveolens | GB, VC2 East Cornwall, Boscastle | Edgar Wolston Bertram Handsley Milne-Redhead Olive Milne-Redhead | | 9/10/1933 | K |
| Mentha suaveolens | GB, VC47 Montgomeryshire, Llanbrynmair | Edgar Wolston Bertram Handsley Milne-Redhead | | 3/7/1955 | K |
| Mentha x piperita var. subcordata | GB, VC33 East Gloucestershire, Chesterton | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 24/9/1940 | K |
| Mentha x piperita var. subcordata | GB, VC33 East Gloucestershire, Chesterton | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 24/9/1940 | K |
| Mentha x verticillata var. paludosa | GB, VC4 North Devon, Great Torrington | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/8/1948 | K |
| Mentha x verticillata var. paludosa | GB, VC4 North Devon, Great Torrington | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/8/1948 | K |
| Mentha x verticillata var. paludosa | GB, VC4 North Devon, Great Torrington | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/8/1948 | K |
| Meum athamanticum | GB, VC65 North-west Yorkshire | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 30/6/1934 | K |
| Meum athamanticum | GB, VC65 North-west Yorkshire, Howgill | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 30/6/1934 | K |
| Meum athamanticum | GB, VC65 North-west Yorkshire, Howgill Fells | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 30/6/1934 | K |
| Oenanthe fistulosa | GB, VC17 Surrey, Ham Common | Edgar Wolston Bertram Handsley Milne-Redhead | | 21/6/1931 | K |
| Oenanthe fistulosa | GB, VC48 Merionethshire, Aberdyfi Golf Course | Edgar Wolston Bertram Handsley Milne-Redhead | | 29/6/1948 | K |
| Origanum vulgare subsp. hirtum | GB, VC34 West Gloucestershire, Symonds Yat | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 13/8/1933 | K |
| Phalaris arundinacea | GB, VC20 Hertfordshire, Great Gaddesden | Charles Edward Hubbard Edgar Wolston Bertram Handsley Milne-Redhead | | 30/6/1946 | K |
| Plantago arenaria | GB, VC25 East Suffolk, Woodbridge | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 14/9/1932 | K |
| Plantago coronopus | GB, VC9 Dorset, Southwell | Edgar Wolston Bertram Handsley Milne-Redhead | | 8/7/1935 | K |
| Plantago coronopus | GB, VC19 North Essex, Great Horkesley | Edgar Wolston Bertram Handsley Milne-Redhead | | 27/7/1965 | K |
| Plantago coronopus | GB, VC17 Surrey, Ham Common | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 26/1/1930 | K |
| Plantago coronopus | GB, VC14 East Sussex, Seaford | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 7/6/1931 | K |
| Plantago lanceolata var. bakeri | GB, VC21 Middlesex, Stonebridge Park | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 24/6/1931 | K |
| Plantago lanceolata var. bakeri | GB, VC21 Middlesex, Stonebridge Park | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 24/6/1931 | K |
| Plantago lanceolata var. anthoviridis | GB, VC5 South Somerset, Whitestaunton | Edgar Wolston Bertram Handsley Milne-Redhead | | 13/6/1949 | K |
| Plantago lanceolata | GB, VC17 Surrey, East Sheen, Palewell Common | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 2/6/1931 | K |
| Plantago lanceolata var. bakeri | GB, VC21 Middlesex, Stonebridge Park | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 24/6/1931 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Ham | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 3/7/1929 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Richmond Park | Edgar Wolston Bertram Handsley Milne-Redhead Francis Ballard | | 19/10/1929 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Ham | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | | 3/7/1929 | K |
| Plantago maritima | GB, VC52 Anglesey, Penmon | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/6/1937 | K |
| Plantago maritima | GB, VC96 East Inverness-shire, Glen Affric | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/7/1947 | K |
| Ranunculus arvensis | GB, VC30 Bedfordshire, Tilsworth | Edgar Wolston Bertram Handsley Milne-Redhead | | 30/6/1946 | K |
| Scleranthus annuus | GB, VC12 North Hampshire, Cheesefoot head | Edgar Wolston Bertram Handsley Milne-Redhead | | 28/6/1954 | K |
| Scleranthus annuus | GB, VC17 Surrey, Gomshall | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 18/5/1932 | K |
| Scrophularia nodosa | GB, VC64 Mid-west Yorkshire, Keld Head Scar | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 29/6/1931 | K |
| Scutellaria galericulata | GB, VC33 East Gloucestershire, Bourton on the Water | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 11/7/1931 | K |
| Scutellaria galericulata | GB, VC17 Surrey, Richmond Park, Pen Pond | Edgar Wolston Bertram Handsley Milne-Redhead | | 16/9/1929 | K |
| Scutellaria minor | GB, VC17 Surrey, Richmond Park, Pen Pond | Edgar Wolston Bertram Handsley Milne-Redhead | | 16/9/1929 | K |
| Scutellaria minor | GB, VC34 West Gloucestershire, May Hill | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 17/8/1929 | K |
| Sibbaldia procumbens | GB, VC6 North Somerset, Trudoxhill | Edgar Wolston Bertram Handsley Milne-Redhead | Harold Stuart Thompson | 10/8/1921 | BIRM |
| Stachys annua | GB, VC25 East Suffolk, Woodbridge | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 30/9/1934 | K |
| Stachys annua | GB, VC25 East Suffolk, Woodbridge | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | | 30/9/1934 | K |