Discover the world of mosses, liverworts, lichens and ferns. Contains descriptions of the major vegetation zones and species distribution maps. Habitats are des

A comprehensive guide to the mosses of the Northeast and Appalachians This is the first book to help general readers recognize 200 common mosses of the Northeas

The classic authority on plants of the Pacific Northwest.

In atmospheric science, a boundary layer is the band of air nearest the ground. In the Pacific Northwest, the boundary layer teems with lichens, mosses, ferns,