Williamson, J. G., S. . Park Brown, and T. Wichman. “Florida 4-H Horticulture Identification and Judging: Contest Rules and Glossary: 4HPSJ20/4H004, Rev. 8/2009”. EDIS, vol. 2009, no. 7, Aug. 2009, doi:10.32473/edis-4h004-2009.