“Copper Accumulation in Certain Herbaceous Plants: Implications for Phyto-Management and Medicinal Use”

https://pubmed.ncbi.nlm.nih.gov/38114695

Certain herbaceous plant species, especially Equisetum arvense, show potential for accumulating copper in both contaminated and non-contaminated soils, highlighting their potential role in phyto-management of copper-contaminated soils and the need for caution in the medicinal use of these plants due to their copper accumulation above recommended levels.