Map of natural distribution of C. sapidus along with collection locations and number of specimens successfully sequenced for this study showing proportion of each lineage in each location. Green, Distribution 1; dark blue, Distribution 2; light blue, Lineage 1; pink, Lineage 2; orange, lineage 3; NJ, New Jersey; DE, Delaware; MD, Maryland; VA, Virginia; NC, North Carolina; SC, South Carolina; GA, Georgia; LRFL, Loxahatchee River, Florida; MFL, Miami, Florida; NFL, Naples, Florida; SPFL, St. Petersburg, Florida; PCFL, Panama City, Florida; LA, Louisiana; NTX; northern Texas; STX, southern Texas; VE, Veracruz, México, CM, Campeche, México; YU, Yucatán, Mexico; CR, Costa Rica; ZU, Zulia, Venezuela; FA, Falcón, Venezuela; PR, Puerto Rico; SP, São Paulo, Brazil; RGS, Rio Grande do Sul, Brazil; SCat; Santa Catarina, Brazil.