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Robinia pseudoacacia
Black locust

Black locust (Robinia pseudoacacia) is a medium-sized, fast-growing deciduous tree native to North America. It was introduced to Europe in the 17th century and is now naturally found in most of the continent, from Sicily in Italy to southern Norway.   

The tree’s durable wood is resistant to fungi and insects and is particularly good as firewood. It is also used for furniture, flooring, veneer, shipbuilding and general construction. As with other species in the Fabaceae family, the tree is able to fix nitrogen and thereby improve soil conditions for neighboring plants. With its high growth rate, the black locust is also suitable for biomass production.

Black locust is hardy and extremely tolerant to different types of soil, except those compacted and exposed to waterlogging. It is a light-demanding, pioneer species, able to grow under harsh conditions. In Europe, the tree is found in altitudes from sea level up to 1600 m; however, in many European countries, black locust is considered invasive.

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http://www.euforgen.org/species/robinia-pseudoacacia/