Chase, Myron C. Field guide to edible and useful wild plants of North America : : a guide to help you in using, locating and enjoying the plant life that Mother Nature has so generously supplied / [electronic resource] / by Myron C. Chase.. — Fort Atkinson, Wisc. : : Nasco,, c1965.. — 140 p. : : ill. ; 21 cm. — (Nature study aids).