Crassula helmsii
Crassula helmsii
(swamp stonecrop)
Plants
Exotic

Impact ID5652
Impact TypeHabitat Alteration
Study TypeAnecdotal
Study LocationN/A
Impact DescriptionIn areas where presentCrassula helmsii can restrict light penetration and deplete carbon dioxide affecting submerged plants, aquatic invertebrates, and fish populations.
Reference39865
Great Lakes RegionYes
Cost 
Location 

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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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