Field Guide to the Grasses of Oregon and Washington

As the comprehensive reference for 394 species, subspecies, and varieties of grasses, Field Guide to the Grasses of Oregon and Washington has become the definitive identification resource for amateurs and professionals alike throughout the region.With 18 additional species, updated names, new keys, and improved photos and maps, the second edition provides an in-depth and refreshed treatment of both native and introduced grasses that grow wild in Oregon and Washington and their neighboring states and provinces. This guide covers the entire spectrum of grasses, from weedy invaders to rare native species.It shows how grasses are valued for habitat restoration in numerous environments-from wetlands to deserts, and from sea level to alpine.Field Guide to the Grasses of Oregon and Washington provides identification keys, species descriptions, photographs of each species (both in the field and through a microscope), habitats, and range maps.Users will especially appreciate the labeled macroph