AdvertisementAn Apple Detective Rediscovered 7 Kinds Of Apples Thought To Be Extinct01:49Download AudioResumeUpdated June 11, 2021Dalia FaheidfacebookEmailDave Benscoter rediscovered the Iowa Flat and other apples by finding watercolor paintings like this commissioned by the USDA. (U.S. Department of Agriculture)This article was originally published on June 11, 2021.