Invasive aquatic plants in Europe

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Invasive aquatic plants in Europe Introduction This key is an identification tool for invasive aquatic plants and the close allies (‘look-alikes’). Part of the species is traded as ornamental plants for ponds and aquaria. As such they may escape cultivation and start colonizing natural environments and become a pest. A total of 78 species is…

Seedlings of invasive plants

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Seedlings of invasive plants IntroductionThis key helps to identify seedlings of invasive plants, so plants can be recognized in an early stage of development. The species included are those of invasive terrestrial plants and/or plants which are introduced as weeds in imported potplants. A total of 92 species is included. All features are illustrated with…

Seeds of invasive plants

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Seeds of invasive plants IntroductionThis key is an identification tool for seeds of invasive plants. The choice of species was based on an extensive survey of seeds and seed mixtures in trade, where the seeds of these invasive species were found as contamination. A total of 143 species is included. All features are illustrated with…

Key to the invasive terrestrial plants in Europe

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Key to the invasive terrestrial plants in Europe IntroductionThis key helps to identify the major invasive terrestrial plants in NW Europe. Invasive are those species that pose a threat to the biodiversity of the ecoregion. Species included are both those that already are known to be invasive in this region, as well as species known…