Penn State undergraduate Katie Myers is tracing a slippery elm root (a species with thin absorptive roots) from the tree to be placed in a root bag to allow for root proliferation. Disclaimer: AAAS ...
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Slippery Elm

Slippery elm (Ulmus fulva/Ulmus rubra) bark is a traditional Native American remedy also known as red elm, Indian elm, moose elm and sweet elm. The slippery elm tree is native to eastern Canada and ...