EPPO Global Database

Crassula helmsii(CSBHE)

Reporting Service articles

Num. Title year-month
2024/162 First confirmed report of Crassula helmsii in Spain 2024-07
2024/045 Horizon scanning for potential invasive alien species for Spain 2024-02
2024/024 Best management guide for invasive alien aquatic and riparian plant species 2024-01
2022/094 Mislabelling of aquatic plant species in trade 2022-04
2022/049 Biological control of Crassula helmsii 2022-02
2018/182 Biological control of Crassula helmsii 2018-09
2016/221 Assessment of the risks to Norwegian biodiversity from aquarium and garden pond plants 2016-11
2016/045 Reproduction of Crassula helmsii by seed in Western Europe 2016-02
2014/201 List of alien species determined to be potentially invasive in the Spanish regulation 2014-10
2014/176 Update of the Black List and Watch List of invasive alien plants in Switzerland 2014-09
2014/138 United States weed risk assessments are available 2014-07
2014/120 Potential for classical biological control of Crassula helmsii and Hydrocotyle ranunculoides 2014-06
2014/079 Q-bank database on invasive alien plants 2014-04
2014/059 An updated guide on invasive waterplants in the Netherlands 2014-03
2013/251 The German lists of invasive alien plants 2013-11
2013/227 Revision of the Spanish legislation on invasive alien species including plants 2013-10
2013/131 A new regulation on invasive alien plants in Wallonie (Belgium) 2013-06
2013/113 First report for Crassula helmsii in the Poitou-Charentes region, France 2013-05
2013/074 Top 20 environmental weeds for classical biological control in Europe 2013-03
2013/045 A new regulation on invasive alien plants in Poland 2013-02
2013/017 New ban on invasive alien plants in the United Kingdom (England only) 2013-01
2012/198 Recognition and management guides for invasive alien plants in Belgium 2012-09
2012/157 The economic cost of invasive alien species in Great Britain 2012-07
2012/136 New EPPO lists of invasive alien plants 2012-06
2012/042 Regulated invasive alien plants in France 2012-02
2011/207 Management of Crassula helmsii in Belgium 2011-09
2011/166 The Netherlands: national initiatives on Code of conduct 2011-07
2011/162 Poland: national initiatives on Code of conduct 2011-07
2011/148 Ireland and Northern Ireland: national initiatives on Codes of conduct 2011-06
2011/145 Belgium: national initiatives on Code of conduct 2011-06
2011/123 A new Ordinance on invasive alien plants in Switzerland 2011-05
2011/066 Pest risk analysis on invasive alien plants in the United Kingdom 2011-03
2010/192 Crassula helmsii found in the Ain Department (France) 2010-10
2010/168 A new field guide on aquatic invasive alien plants in the Netherlands 2010-09
2010/092 Risk analysis of potential invasive plants in Spain 2010-04
2010/075 A New Code of conduct on aquatic plants in the Netherlands 2010-03
2009/166 Pathway analysis: aquatic plants imported in 10 EPPO countries 2009-08
2009/058 A leaflet to stop the spread of aquatic invasive plants in Belgium 2009-03
2008/208 New regulations on invasive alien plants in Switzerland 2008-10
2008/190 Invasive alien plants from New Zealand 2008-09
2008/088 Invasive alien plants in Belgium 2008-04
2007/224 Substitute species to garden pond plants in Scotland, United Kingdom 2007-11
2007/207 Worst invasive alien species threatening biodiversity in Europe 2007-10
2007/084 Participation of the nursery industry in controlling invasive alien plants in France: a charter with retailers 2007-04
2007/016 Pathway analysis: aquatic plants imported in France 2007-01
2006/112 Absence of Crassula helmsii in Portugal 2006-05
2006/023 Crassula helmsii found in France 2006-01
2005/138 The Nature Conservation Act and invasive plants in Scotland (GB) 2005-09
2005/134 Techniques for controlling Crassula helmsii in United Kingdom 2005-09
2005/127 Invasive plants in Scotland (United Kingdom) 2005-09
2004/042 Addition of invasive plant species to the EPPO Alert List: Crassula helmsii, Hydrocotyle ranunculoides and Solidago nemoralis 2004-03