TEXAS: Edwards Co; on FM 337 north of Barksdale - March 2016
ARKANSAS: Polk Co; Caddo Mountains - May 2013
TEXAS: Edwards Co; Camp Wood Hills - December 2011
TEXAS: Bandera Co; Lost Maples State Natural Area - March 2007
TEXAS: Edwards Co; Camp Wood Hills - February 2007
OKLAHOMA: LeFlore Co; Winding Stair Mountain - May 2003 (scan from slide)