Bears Ears archaeological site (IMAGE) University of Utah Caption One of the archaeological sites within Bears Ears boundaries in the Four Corners region of the United States. At least 31 culturally significant plants, including the Four Corners potato (Solanum jamesii, a native tuber that is an important medicine and food source, pictured here) were found at archaeological sites despite being extremely rare in the surrounding environment. Credit Pavlik et al. (2021) PNAS Usage Restrictions Non commercial with attribution License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.