Potato Association of America. "Norwis was bred and developed by Frito-Lay, Inc. It was initially tested, grown and released as FL657 and...Read More was selected from a cross made in 1965 between RD289-18 x Monona. Tubers are blocky to oval, slightly flattened with a relatively smooth white to tan skin color. Lateral eyes are relatively shallow while apical eyes are moderately deep. Flesh color is a pale yellow to cream color."
Potato Association of America. "Norwis was bred and developed by Frito-Lay, Inc. It was initially tested, grown and released as FL657 and...Read More