Regent, Royal and Carlton Terrace Gardens lasted until 2011, when it was felled due to disease. The following tree species were recorded in the gardens at the end of the 20th century: ash ("Fraxinus excelsior"), beech, black poplar ("Populus nigra"), cherry ("Prunus avium"), common lime ("Tilia × europaea"), English elm ("Ulmus minor" 'Atinia'), hawthorn ("Crataegus monogyna"), holly, horse chestnut ("Aesculus hippocastanum"), laburnum ("Laburnum anagyroides"), Norway maple ("Acer platanoides"), oak ("Quercus robur"), rowan ("Sorbus aucuparia"), silver birch ("Betula pendula"), small leafed lime ("Tilia cordata"), sweet chestnut ("Castanea sativa"), sycamore ("Acer pseudoplatanus"), tulip tree ("Liriodendron tulipifera"), whitebeam ("Sorbus aria"), white poplar ("Populus alba"), and wych elm ("Ulmus glabra").
Sorbus not closely related to the true ash trees which belong to the genus "Fraxinus", although the leaves are superficially similar. As treated in its broad sense, the genus is divided into two main and three or four small subgenera (with more recent generic assignments in parentheses): "Sorbus" species are used as food plants by the larvae of some moth species—see list of Lepidoptera that feed on "Sorbus". "Sorbus domestica" is used to flavour some apple wines, see "Apfelwein. "Sorbus" species are cultivated as ornamental trees for parks and gardens, and have given rise to several cultivars. The following, of mixed