Balls, Edward Kent (1892-1984)
Bromfield, William Arnold (1801-1851)
Burchell, William John (1781-1863)
Burkill, Isaac Henry (1870-1965)
Cotton, Arthur Disbrowe (1879-1962)
Hill, Sir Arthur William (1875-1941)
Hooker, Sir Joseph Dalton (1817-1911)
Howard, John Elliot (1807-1883)
Kerr, Arthur Francis George (1877-1942)
Kingdon-Ward, Francis ('Frank') (1885-1958)
Lovell Reeve Publishing Company
Ridley, Henry Nicholas (1855-1956)
Robinson, George W. (1898-1972)
Simpson, Norman Douglas (1890-1974)
Trapnell, Colin Graham (1907-2004)