Various Cultivars of Capsicum (IMAGE) Smithsonian Caption The photo shows four of the five domesticated species of peppers in the Americas. Capsicum annuum, C. baccatum, C. chinense, and C. frutescens. Modern peppers like these were used as comparative material to identify the chili microfossils. Credit Linda Perry, Smithsonian's National Museum of Natural History Usage Restrictions None 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.