Yu, K., Woodrow, L. and Poysa, V. 2014. AAC Stern soybean. Can. J. Plant Sci. 94: 457-459. AAC Stern is a high-protein, high-yielding, food-grade soybean cultivar [Glycine max (L.) Merr] with yellow hilum and acceptable processing quality for foreign and domestic tofu and soymilk markets. AAC Stern is adapted to areas of southwest Ontario with 3250 or more crop heat units and has a relative maturity of 2.8 (MG 2.8).