This page lists plants which are classified as trees.

A tree is defined as a plant having one or more perennial stems with a more or less definitely formed crown of foliage.

Aconite (Wolf's Bane)
Actaea Spicata (Bane Berry)
Apple
Apricot
Asperula (Woodruff)
Cherries
Chestnuts
Citrus Japonica
Cyclamen
Eucalyptus Globulus
Ficaria Grandiflora
Figs
Gages
Helleborus (Christmas Rose)
Koelreuteria Paniculata
Medlar
Monkey Puzzle (Araucaria Imbricata)
Mulberry
Omphalodes Verna
Peach
Pear
Pinus
Plum
Podophyllum Peltatum (Duck's Foot)
Prunus
Quince
Romneyi Coulteri
Solomon's Seal (Polygonatum Multiflorum)
Symphytum Caucasicum
Vinca (Periwinkle)
Walnut
Winter Aconite (Eranthis Hyemalis)
Wistaria