Accompanies the exhibition "In Focus: The Tree," held at the J. Paul Getty Museum, Los Angeles, Feb. 8 through July 3, 2011.

The journal discusses articles on gene action, regulation, and transmission in both plant and animal species, including the genetic aspects of botany, cytogenet

The secret world of trees is revealed in this beautiful and absorbing guide to the giants of the plant world. Trees occur naturally throughout the world and hav

Michael Dirr, the author of the iconic Dirr’s Trees and Shrubs, is widely acknowledged as one of the leading experts on woody plants. Keith Warren has shaped