Joe Imlach - National Germplasm Resources Laboratory Beltsville, Maryland URL https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=452305 accessed 21 April 2019.
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=452305. Accessed 21 April 2019.