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Cut-and-Paste Reference:
Ewald, N.C. 2014. Crassula helmsii in the New Forest
Final report on the status, spread and impact of this non-native invasive plant, and the efficacy of control techniques following a 3-year trial. Freshwater Habitats Trust, Oxford, England. https://www.hiwwt.org.uk/sites/default/files/2018-06/Final%20report%20by%20Dr%20Naomi%20Ewald%20%28control%20of%20New%20Zealand%20Pygmyweed%29.pdf.
Reference Details:
Reference Number: 39943
Type: Report
Author: Ewald, N.C.
Date (year): 2014
Report TitleCrassula helmsii in the New Forest
Final report on the status, spread and impact of this non-native invasive plant, and the efficacy of control techniques following a 3-year trial
Publisher:Freshwater Habitats Trust
Publisher Location:Oxford, England
Pages: 46
URL: https://www.hiwwt.org.uk/sites/default/files/2018-06/Final%20report%20by%20Dr%20Naomi%20Ewald%20%28control%20of%20New%20Zealand%20Pygmyweed%29.pdf
Keywords: Crassula helmsii, impacts, swamp stonecrop, New Forest
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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/13/2026].

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