Wydania przez A. Michael Powell

Cover for A. Michael Powell · Cacti of Texas, a field guide (Book) (2008)
Book
Cacti of Texas, a field guide
A. Michael Powell
Cover for A. Michael Powell · Trees & Shrubs of the Trans-Pecos and Adjacent Areas (Paperback Book) (1998)
Paperback Book
2. wydanie
Trees & Shrubs of the Trans-Peco...
A. Michael Powell