The two varieties listed below can be found in Latin stores or international aisles of supermarkets. They are acceptable substitutes for the Asian-sourced chilies. No, their flavor is not identical, but the nuances will not be noticed by most.
Japanese—The relatively straight chilies are 1 to 2 inches in length, have a shiny, smooth skin, and sport fiery heat and a bright red color.
De Arbol—These longer-stemmed dark red chilies are 2 to 4 inches in length. They are the most versatile type for Southeast Asian cooking. When in doubt about which dried chili to use in Southeast Asian cooking, reach for these.