The OSU Extension Catalog includes current, peer-reviewed learning materials backed by research that are periodically checked for accuracy and timeliness.
The Catalog is an active and growing resource. Browse by topic, search or see latest releases. We also offer some resources through our publications store.
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Featured publication
Shrubs to Know in Pacific Northwest Forests
This photo-packed field guide makes shrub identification easy and fun. It features 100 of the most common shrubs that grow in and around Pacific Northwest forests — from southern British Columbia to Northern California and from the Pacific Ocean to the northern Rockies. You'll find individual range maps and complete descriptions for each species as well as notes on range, habitat and plant names.
Latest releases
Oregon State University Extension Service
Pest management guide for wine grapes in Oregon
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