The Invasive Plants database focuses on vascular plants (excluding algae and mosses), with special attention to aquatic (non-marine) plants, because these plants cause acute and imminent problems in the ecozone comprising the Netherlands.  
The Invasive Plants database facilitates identification of species that
- Pose a (potential) threat to the biodiversity of the ecozone comprising northern Germany, the Netherlands, Belgium and northwestern France or
- Are regulated by third countries and are likely to be present as contaminant in commercial exports originating from the Netherlands.
The distribution as well as relevant EPPO-protocols for Invasive Plants can be downloaded from www.eppo.org.
Updates Invasive Plants database:
- May 2011: 400 photographs now illustrate some 80 species.
- November 2011: 54 factsheets in Dutch are available
- February 2012: 23 records now have a link to a similar species ('look-alikes') page
Contact: Dr. J.L.C.H. (Johan) van Valkenburg j.l.c.h.van.valkenburg@minlnv.nlCurator Invasive Plants database Phytosanitary expertise Plant Protection Service/National Reference Centre (PPS) the Netherlands  Dr. H. (Leni) Duistermaat duistermaat@nhn.leidenuniv.nlCurator Invasive Plants database Taxonomic expertise and collections Netherlands Centre for Biodiversity Naturalis (section NHN), the Netherlands |
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