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.
I want my playground back. Here, I'll give you this tiny ad for it:
montana community seeking 20 people who are gardeners or want to be gardeners