Article has a table. Sunchoke, Chicory and Dandelion all run in the teens, while yacon runs from 3 to nineteen. Looks like Camas is the champ, running from 12 to 22. I am presuming that the chart is reporting percentages, although I don't see it indicated in either the legend or the text.
Or we might never have existed at all. Freaky. So we should cherish everything. Even this tiny ad:
Heat your home with the twigs that naturally fall of the trees in your yard