The Dyehouse cherry, a once-popular pie cultivar that originated in Lincoln County, Kentucky, ca. 1860, may have been rediscovered in recent years in Somerset, Ky:
https://www.fondazioneslowfood.com/en/ark-of-taste-slow-food/dyehouse-cherry/
http://www.digitalussouth.org/oldsouthernorchards/subsubindex.php?name=Dyehouse%20Cherry
Anyone know anything about the Dyehouse cherry recovery project?