Ill. Admin. Code tit. 17, pt. 1050 - ILLINOIS LIST OF ENDANGERED AND THREATENED FLORA

Adopted at 4 Ill. Reg. 22, p. 209, effective May 20, 1980 unless otherwise noted; amended at 5 Ill. Reg. 10293, effective September 30, 1981; codified at 6 Ill. Reg. 2593; amended at 8 Ill. Reg. 13713, effective July 25, 1984; amended at 13 Ill. Reg. 3755, effective March 13, 1989; amended at 14 Ill. Reg. 6123, effective April 17, 1990; amended at 17 Ill. Reg. 10781, effective July 1, 1993; amended at 18 Ill. Reg. 1142, effective January 18, 1994; recodified by changing the agency name from Department of Conservation to Department of Natural Resources at 20 Ill. Reg. 9389; amended at 22 Ill. Reg. 21902, effective December 3, 1998; amended at 28 Ill. Reg. 12904, effective September 1, 2004; amended at 33 Ill. Reg. 14748, effective October 30, 2009.

AUTHORITY: Implementing and authorized by Section 7 of the Illinois Endangered Species Protection Act [520 ILCS 10].