Mexican dried chile supply chain to LA

Mexican dried chiles (ancho, guajillo, pasilla) are described in general terms, with their characteristics and culinary uses noted ^[1][2]. The specific growing regions for each variety, such as Zacatecas for guajillo, Puebla for ancho, and Oaxaca for pasilla mixe, are not detailed in the sources. Origin labeling practices by wholesale distributors (El Mercado, Northgate, Vallarta) and Mexican-state importers are also absent. Additionally, no data is provided on price and quality differences between co-op and conventional supply chains for these chiles.