Rowallane, County Down
Naomi McBride
E. M. Kirkpatrick
Jack Crabtree (b. Rochdale 1938)
James Henry Lynch (fl.1815 - d.London 1868).
Henry Correvon
Alphonse Du Breuil (1811-1858)
Royal Horticultural and Arboricultural Society of Ireland
Ernest Henry Wilson (1876-1930)
Leonard Cockayne (1855-1934)
Hugh Armytage-Moore (1873-1954)