http://swissbaync5d7ykaz7dh7v4qjrb4gmen5aj3bogxrcgbb43ij34bjuyd.onion/pdf/Books/Survival/Survival/p-canada.html
From mid
fall to mid spring the rhizomes under ground roots make a network which links
them up to one another. These rhizomes are rich in starch which can replace advantageously the
potato. Once dried and grounded they make an excellent flour.