Description of the Echinacea species used for DNA extraction and development of genome representations.

Notes: AR, Arkansas; IA, Iowa; KS, Kansas; LA, Louisian a; MO, Missouri; NC, North Carolina; OK, Oklahoma; OR, Oregon; SC, South Carolina; TN, Tennessee; VA, Virginia.aEchinacea not included in the SDA development.bEchinacea with PI accessions numbers were obtained from the germplasm collection in the U.S. National Plant Germplasm System.cEchinacea verified specimens obtained from a specialized plant nursery (The Diggers Club. Dromana VIC).dEchinacea obtained from the Botanical Resources Australia (Tasmania).eThe abbreviated names are used to refer to the accessions in the figures.