Exhibit (21)

Subsidiaries of Potlatch Corporation

as of December 31, 2008 (1)

 

Name

   State in Which Organized

Potlatch Forest Holdings, Inc.

   Delaware

Potlatch Land & Lumber, LLC

   Delaware

PFHI Idaho Investment LLC

   Delaware

 

(1)

All of the subsidiaries in the above list are wholly owned, either directly or indirectly, by Potlatch Corporation.