The algae; Fungi and bacteria; Mosses and liverworts; Vascular plants; Cone-bearing plants; Flowering plants.

Compared to the obvious complexity of animals, plants at a glance seem relatively simple in form. But that simplicity is deceptive: the plants around us are the

As seen on PBS's American Spring LIVE, the award-winning author of Buzz and Feathers presents a natural and human history of seeds, the marvels of the plant kin