A.Michael Powell

3 books • 1 series

Feb 28, 2008
Cover of Cacti of Texas

Cacti of Texas (Grover E. Murray Studies in the American Southwest)

Jan 30, 2005
Cover of Cacti of the Trans-Pecos and Adjacent Areas

Cacti of the Trans-Pecos and Adjacent Areas (Grover E. Murray Studies in the American Southwest)

Aug 30, 2002
Cover of Ferns and Fern Allies of the Trans-Pecos and Adjacent Areas

Ferns and Fern Allies of the Trans-Pecos and Adjacent Areas