ESENIAS Countries

Bulgaria

•   Dreissena species in Bulgaria and the Balkan Peninsula: http://www.dreissena.info
•   The information system to the National Biodiversity Monitoring System (BioMon): http://eea.government.bg/bg/bio/nsmbr/inf-system

•   Entomophaga maimaiga in Bulgaria: http://www.entomophaga.com

•   LIFE IAS Free Habitats project: https://invasiveplants.eu/

Croatia

•   Invasive species in Croatia: http://www.invazivnevrste.hr
•   Flora Croatia Database: http://hirc.botanic.hr/fcd
•   Nature Protection Web Portal, Ministry of Environmental and Nature Protection: http://www.zastita-prirode.hr 

Greece

•   Ellenic Network on Aquatic Invasive Species (ELNAIS): https://services.ath.hcmr.gr
•   Mediterranean Marine Science Journal: http://www.medit-mar-sc.net

Romania

•   Invasive species in Romania: http://specii-invazive.ro
•   Crayfish in Romania: http://www.crayfish.ro
•   Inventory of the Invasive Plant Species from Western Romania: http://www.invasive-species.ro

Serbia

•   Invasive alien species in Vojvodina: http://iasv.dbe.pmf.uns.ac.rs

Turkey

•   Noah's Ark Biological diversity database: http://www.nuhungemisi.gov.tr
•   Network on Invasive Alien Species in Turkey: http://turkiyedeistilaciyabanciturler.blogspot.com  

•   Website for monitoring and information system for invasive alien species in Turkey: www.i-bil.org

Ukraine

•   Ukrainian Biodiversity Information Network (UkrBIN): http://www.ukrbin.com

Other European Countries

Austria

•  Austrian Biodiversity Information System (OASIS 2.0): http://www.umweltbundesamt.at/oasis

Belarus

•  Aquatic Invaders of Belarus: http://aliensinbelarus.com

Belgium

•  Invasive Species in Belgium (Harmonia Information System): http://ias.biodiversity.be
•  Checklist for aquatic alien species in the Belgian part of the North Sea and adjacent estuaries: 
•   http://www.vliz.be/wiki/Lijst_niet-inheemse_soorten_Belgisch_deel_Noordzee_en_aanpalende_estuaria

Czech Republic

•   Invasive Species in the Czech Republic: http://invaznidruhy.nature.cz

Denmark

•   Invasive Species in Denmark: http://www.naturstyrelsen.dk/Naturbeskyttelse/invasivearter/.htm

Estonia

•  Estonian Nature Information System (EELIS): http://loodus.keskkonnainfo.ee

Germany

•   Invasive Alien Plants in Germany (NeoFlora): http://www.floraweb.de/neoflora
•   Aquatic alien species in German inland and coastal waters: http://www.aquatic-aliens.de

Iceland

•   Flora of Iceland: http://www.floraislands.is

Ireland

• National Invasive Species Database: http://invasives.biodiversityireland.ie
• Database of alien plants in Ireland: http://alienplants.ekru.eu
• Inland Fisheries Ireland Invasive Species: http://www.fisheriesireland.ie/Invasive-Species/invasive-species.html

Latvia

• Encyclopedia "Nature of Latvia": http://www.latvijasdaba.lv
• Checklist of Latvia's bird species: http://www.latvijasputni.lv/en/putnu-saraksts.html
• Fish of Latvia: http://latvijas.daba.lv/scripts/db/saraksti/saraksti.cgi?d=zivis&l=en
• List of Snail Species in Latvia: http://latvijas.daba.lv/scripts/db/saraksti/saraksti.cgi?d=gliemezi&l=en
• List of Bivalve Species in Latvia: http://gliemji.daba.lv/EN/gliemenes.shtml
• List of Latvian Invertebrates: http://leb.daba.lv/listt.htm

Luxembourg

• Neophyten in Luxemburg: http://www.mnhnl.lu/cgi-bin/baseportal.pl?htx=/projects/neophytes/neophytes

Netherlands

• Overview of biodiversity of the Netherlands: Dutch Species Catalogue – Exotic Species: http://www.nederlandsesoorten.nl/nlsr/nlsr/i000372.html

Norway

• Norwegian Alien Species Database: http://www.artsdatabanken.no/Article.aspx?m=211&amid=5035
• Norwegian Biodiversity Information Centre (ARTSDATABANKEN): http://www.biodiversity.no

Poland

• Alien Species in Poland: http://www.iop.krakow.pl/ias; http://www.iop.krakow.pl/gatunkiobce

Portugal

• Invasive Plant Species in Portugal: http://www1.ci.uc.pt/invasoras/index.php?menu=114&language=eng&tabela=especies

Russia

• BioDat Database Animals - Introduced Species: http://biodat.ru/db/intro/index_e.htm
• BioDat Database Introduced Plants: http://biodat.ru/db/intro/plant_e.htm

Slovenia

• Invasive alien plant and animal species, Ministry of Agriculture and the Environment: http://www.mko.gov.si/si/delovna_podrocja/narava/invazivne_tujerodne_vrste_rastlin_in_zivali
• Invasive alien species and their impact on biodiversity and sustainable use of resources in Slovenia (Neobiota of Slovenia): http://www.bioportal.si/neobiota.php
• Alien species in Slovenia (Project Thuja 2): http://www.tujerodne-vrste.info
   

Spain

• Invasive Exotic Species of the Iberian Peninsula (InvasIBER): http://invasiber.org

Sweden

• Alien species in Swedish seas and coastal areas: http://www.frammandearter.se
• Den Virtuella Floran/ The Virtual Flora: http://linnaeus.nrm.se/flora/welcome.html
• Ichthyology Database, Swedish Museum of Natural History: http://artedi.nrm.se/nrmfish/
• List of Swedish Bird Taxa: http://www.sofnet.org/rk/kategorier

Switzerland

• CPS/SKEW – Invasive Alien Plants: http://www.cps-skew.ch/english/invasive_alien_plants/information_on_invasive_alien_plants.html

United Kingdom

• Non-Native Species Information Portal: https://secure.fera.defra.gov.uk/nonnativespecies/home/index.cfm
• Joint Nature Conservation Committee (JNCC) - Directory of non-native marine species in British waters: http://jncc.defra.gov.uk/page-1532
• Joint Nature Conservation Committee (JNCC) - Invasive species in the UK Overseas Territories and Crown: http://jncc.defra.gov.uk/default.aspx?page=5431
• Invasive Alien Species in Northern Ireland: http://www.habitas.org.uk/invasive
• RAFTS Invasive Species and Biosecurity Program: http://www.invasivespeciesscotland.org.uk
• Chinese mitten crabs, the Natural History Museum London: http://www.nhm.ac.uk/nature-online/life/other-invertebrates/chinese-mitten-crabs

European and Regional

• European Commission – Invasive Alien Species: http://ec.europa.eu/environment/nature/invasivealien/index_en.htm
• European Alien Species Information Network (EASIN): http://easin.jrc.ec.europa.eu
• Delivering Alien Invasive Species Inventories for Europe (DAISIE): http://www.europe-aliens.org
• North European and Baltic Network on Invasive Alien Species (NOBANIS): http://www.nobanis.org
• Baltic Sea Alien Species Database: http://www.corpi.ku.lt/nemo/
• Regional Euro-Asian Biological Invasions Centre (REABIC): http://www.reabic.net
• Invasive Species Ireland: http://invasivespeciesireland.com
• CIESM Atlas of Exotic Species in the Mediterranean: http://www.ciesm.org/online/atlas/
• Information system on Aquatic non-Indigenous species (AquaNIS): http://www.corpi.ku.lt/databases/index.php/aquanis
• Biodiversity of Freshwater Ecosystems: Status, Trends, Pressures, and Conservation Priorities (BioFresh): http://www.freshwaterbiodiversity.eu
• The South Atlantic Invasive Species Project (SAIS): http://www.rspb.org.uk/ourwork/projects/details.aspx?id=tcm:9-194527
• Streamlining European 2010 Biodiversity Indicators (SEBI 2010 project): http://ec.europa.eu/environment/nature/knowledge/eu2010_indicators/index_en.htm
• Assessing Large Scale Environmental Risks for Biodiversity with Tested Methods (ALARM project): http://www.alarmproject.net
• Cefas: Non-native species Decision support tools: http://www.cefas.defra.gov.uk/our-science/ecosystems-and-biodiversity/non-native-species/decision-support-tools.aspx
• Biological Invasion Impact/ Biopollution Assessment System - KU CORPI Database System (BINPAS): http://www.corpi.ku.lt/databases/index.php/binpas 
• Reducing the Impact of Non-Native Species in Europe (RINSE): http://www.rinse-europe.eu
   

Global

• Reducing the Impact of Non-Native Species in Europe (RINSE): http://www.rinse-europe.eu
• Global Invasive Species Database (GISD): http://www.issg.org/database/welcome/
• Global Invasive Species Information Network (GISIN): http://www.gisinetwork.org
• Global Biodiversity Information Facility (GBIF): http://www.gbif.org
• Island Biodiversity and Invasive Species Database (IBIS): http://ibis.fos.auckland.ac.nz
• Database of Island Species Eradications (DIISE): http://eradicationsdb.fos.auckland.ac.nz
• Invasive Species Compendium (CABI-ISC): http://www.cabi.org/isc
• Plant Quarantine Data Retrieval System (PQR): http://www.eppo.int/DATABASES/pqr/pqr.htm
• Global Marine Invasive Species Assessment: http://conserveonline.org/workspaces/global.invasive.assessment
• FAO Database on Introductions of Aquatic Species (DIAS): http://www.fao.org/fishery/dias/en
• GEF/UNDP/IMO Global Ballast Water Management Programme (GloBallast): http://globallast.imo.org
• FishBase – A Global Information System on Fishes: http://www.fishbase.org
• Avibase – the world bird database: http://avibase.bsc-eoc.org