An interesting article on Hooper's Law and the history of English hedgerows can be found here.
The Blackthorn (Prunus spinosa) shrub, with its savage thorns, is traditional in Northern Europe and Britain in making a hedge proof against cattle. A "sloe-thorn worm" used as fishing bait is mentioned in the 15th century work, The Treatyse of Fishing with an Angle, by Juliana Berners.
. Bark . Coppice . Dye . Fine-grain . Firewood . Flavoring . Fodder . Fruit . Hardwood . Hedgerows . Indoor use only . Marshy or moist soil . Medicinal . Moisture resistance . Oil . Paper . Piles . Seeds and Nuts . Softwood . Special Uses . Superstition .
. Alders . Alder buckthorn . Ash . Beech . Birches . Box . Cherries, Plums, Blackthorn . Dogwood . Elder . Elms . Hazels . Hollies . Hornbeams . Junipers . Limes . Maples . Oaks . Pines . Poplars . Purging buckthorn . Rowans and Whitebeams . Service tree . Native shrubs . Willows . Yews .Under construction