Fla. Stat. § 581.183
It is unlawful for any person to sell or propagate for sale any tree which represents a new citrus variety brought into the state after July 1, 1977, as defined by law or by rule adopted by the department, if the tree was propagated or is being propagated by graft or budwood from a tree which the Department of Agriculture and Consumer Services has not indexed and certified as free from citrus diseases, including, but not limited to, tristeza, necrotic ring spot, exocortis, xyloporosis, psorosis, and vein enation. The cost of indexing shall be paid by the person desiring to have the tree indexed. Any tree offered for sale or sold which was propagated from a tree which is not indexed is contraband and shall be confiscated and destroyed by the department without compensation.
Fla. Stat. § 581.183