I was very interested in the Nancy Turner video. I was not too aware of the field of ethnobotany before but it sounds fascinating.
This document is a catalogue of plants native to the prairies. It describes the plants and also explains how the First Nations traditionally used them.
This website talks about a project at the Montreal Biodome where the “living landscape” of the 11 First Nations groups of Quebec. It is part educational in nature and part research with scientists looking at traditional remedies for health problems.