31.3: Activity: Identify the parts of the vascular syst...
31.3: Activity: Identify the parts of the vascular system of a plant
31.3: Activity: Identify the parts of the vascular system of a plant,
Discover Biology 3rd Edition,
W.W. Norton Company,
Interactive labeling exercise.
http://nortonbooks.com/college/biology/animations/ch31a03.htm