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, fungi, and diminutive plants. It's an alternate, overlooked universe whose denizens author Kem Luther calls the stegnon, the terrestrial equivalent of oceanic plankton. In Boundary Layer, Luther takes a voyage of discovery through the stegnon, exploring the life...
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Nature