; and (B) to encourage the recovery of endangered plant species. (2) Procedures A grant under this section shall be made competitively in compliance with fully transparent procedures, as established by the Secretary. (3) Federal share The Federal share of the cost of a grant awarded under this section shall be not more than 50 percent. (c) Preference The Secretary shall give preference to projects described in subsection (b)(1) that— (1) involve collaboration between— (A) the Federal Government, States, Indian tribes, and units of local government; and (B) nonprofit organizations with knowledge and experience in rare and endangered plant restoration issues; and (2) are in States or communities that are home to a significant percentage of threatened or endangered plants. (d) Authorization of appropriations There are authorized to be appropriated to carry out this section— (1) $54,000,000 for fiscal year 2020; and (2) such sums as are necessary for each fiscal year thereafter. .