Not unusual. Many plants are known to uptake various toxicants. e.g. ferns are very good at accumulating arsenic and selenium. International Journal of Phytoremediation   7(1):33–42 (2005)

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Not unusual. Many plants are known to uptake various toxicants. e.g. ferns are very good at accumulating arsenic and selenium.

International Journal of Phytoremediation   7(1):33–42 (2005)