Plants absorb a variety of nutrients through their roots, eventually ‘taking them up’ into their stalks and leaves, Doherty explained. Along with essential nutrients, pokeweed is particularly good at taking up rare earth elements as well. These metals are usually not found in high enough quantities in regular soil for the pokeweed to do much with. But researchers have found an unexpected source: coal waste. https://www.wunc.org/environment/20...ls-nc-pokeweed-phytomining-green-clean-energy https://en.wikipedia.org/wiki/Phytolacca
