NAS - Nonindigenous Aquatic Species
European and Mediterranean Plant Protection Organization (EPPO). 2007. Crassula helmsii. European and Mediterranean Plant Protection Organization Bulletin 37:225-229. https://www.eppo.int/QUARANTINE/data_sheets/plants/Crassula_helmsii_DS.pdf.
Reference Number: 29357 Type: Journal Article Author: European and Mediterranean Plant Protection Organization (EPPO) Date (year): 2007 Article Title:Crassula helmsii Journal Name: European and Mediterranean Plant Protection Organization Bulletin Volume: 37 Issue: Pages: 225-229 URL: https://www.eppo.int/QUARANTINE/data_sheets/plants/Crassula_helmsii_DS.pdf Keywords: Crassula helmsii, New Zealand pygmyweed, swamp stonecrop
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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/17/2024].
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