Sedges are key members of many Northwest ecosystems, performing critical roles in wetlands, prairies, savannas, steppes, and forests. They are often the dominant ground cover in flood plains, along stream banks, and in wet meadows and marshes. Their extensive, fibrous root systems prevent erosion by binding soils, while their dense foliage traps sediment, making them critical elements in the restoration of wetland and riparian systems. Field Guide to the Sedges of the Pacific Northwest is the first illustrated guide to all 164 species, subspecies, and varieties in the genus Carex that occur in Oregon and Washington and throughout the Pacific Northwest. Sedges can be challenging to identify with differences between species based on small, technical characters. After nearly fifteen years of research, Oregon botanists of the Carex Working Group have written this comprehensive guide, complete with identification keys, descriptions, color photographs, and distribution maps for each species, providing users with helpful tools and tips for identifying the plants in this challenging group. Information about sedge ecology, habitat management and restoration, ethnobotanical uses, and propagation enhances the guide’s utility. The Field Guide provides a comprehensive and essential resource for botanists, land managers, restoration ecologists, and plant enthusiasts. And, as the genus Carex becomes increasingly important amongst landscapers, nurseries, and gardeners, the guide will serve as a handy tool for choosing Northwest natives for the garden.

Field Guide to the Sedges of the Pacific Northwest

History

Brainerd, Richard

Wilson, Barbara L.

Otting, Nick

Lytjen, Danna

Newhouse, Bruce

Americas

Oregon State University Press

Field Guide to the Sedges of the Pacific Northwest is an illustrated guide to all 169 species, subspecies, and varieties in the genus Carex that grow in the wild in Oregon and Washington. Most of these species are found throughout the Pacific Northwest and California. This updated second edition includes eight additional species documented in the region since the guide was first published, along with an improved identification key, updated nomenclature and taxonomy, revised range maps, and improved illustrations. Sedges can be difficult to identify, with differences between species based on small, technical characters. This comprehensive guide contains identification keys, descriptions, more than 650 color photographs, and distribution maps for each species, providing users with helpful tools and tips for identifying the plants in this challenging group. Information about sedge ecology, habitat, management and restoration, ethnobotanical uses, and propagation enhances the guide’s utility. Field Guide to the Sedges of the Pacific Northwest provides an invaluable resource for botanists, land managers, restoration ecologists, and plant enthusiasts. And, as the genus Carex becomes increasingly important amongst landscapers, nurseries, and gardeners, the guide will serve as a handy tool for choosing Northwest natives for the garden.

Field Guide to the Sedges of the Pacific Northwest: Second Edition

Science & Math

Biological Sciences

Field Guide to the Grasses of Oregon and Washington is an illustrated guide to all 376 species, subspecies, and varieties of grasses—both native and introduced—that grow wild in Oregon and Washington. It also has broad applicability in neighboring states and provinces. Grasses are important functional components in a variety of ecosystems and are highly valued for habitat restoration in numerous habitats, ranging from wetlands to deserts, and from sea level to alpine. They are important weeds and are also cultivated as ornamentals. This guide covers the entire spectrum of grasses from weedy invaders to rare native species. Identifying grasses can be challenging. The grass family is one of the most diverse plant families in the region, and differences between species can be both subtle and minute. This guide 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 macrophotographs that illustrate hard-to-see, diagnostic features. Biologists, land managers, botanists, and consultants, as well as plant professionals, home gardeners, and amateur plant enthusiasts, will find this guide an indispensable reference for identifying all the grasses they encounter in the diverse habitats of Oregon and Washington.

Field Guide to the Grasses of Oregon and Washington

Crafts, Hobbies & Home

Roché, Ms. Cindy Talbott

Korfhage, Robert C.

Gardening & Landscape Design

"Advanced Statistics for Health Research provides a rigorous geometric understanding of models used in the analysis of health data, including linear and non-linear regression models, and supervised machine learning models. Models drawn from the health literature include: ordinary least squares, two-stage least squares, probits, logits, Cox regressions, duration modeling, quantile regression and random forest regression. Causal inference techniques from the health literature are presented including randomization, matching and propensity score matching, differences-in-differences, instrumental variables, regression discontinuity, and fixed effects analysis. Codes for the respective statistical techniques presented are given for STATA, SAS and R"--

Advanced Statistics For Health Research

Butler, Richard J.

Butler, Matthew J

Computers & Technology

WSPC

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Books by Wilson, Barbara L.