Jersey the island. The species is the subject of an ongoing programme to save it from extinction in Jersey via a collaboration between States of Jersey, Durrell Wildlife Conservation Trust and Jersey Amphibian and Reptile Group (JARG), with support and sponsorship from several other organisations. The programme includes captive breeding and release, public awareness and habitat restoration activities. Trees generally considered native are the alder ("Alnus glutinosa"), silver birch ("Betula pendula"), sweet chestnut ("Castanea sativa"), hazel ("Corylus avellana"), hawthorn ("Crataegus monogyna"), beech ("Fagus sylvatica"), ash ("Fraxinus excelsior"), aspen ("Populus tremula"), wild cherry ("Prunus avium"), blackthorn ("Prunus spinosa"), holm oak ("Quercus ilex"),
Prunus cerasus Montmorency cherry is the most popular type of sour cherry in America. The reason for its popularity is its use in baking and recipe creation. including cherry pies, cherry desserts and other cherry-based recipes. "Prunus cerasus", a tetraploid with 2n=32 chromosomes, is thought to have originated as a natural hybrid between "Prunus avium" and "Prunus fruticosa" in the Iranian Plateau or Eastern Europe where the two species come into contact. "Prunus fruticosa" is believed to have provided its smaller size and sour tasting fruit. The hybrids then stabilised and interbred to form a new, distinct species. Cultivated sour cherries were