https://phys.org/news/2018-11-years-pacific-northwest-flora.html

"This book enables us to be better stewards, we know what's here, whether it's common or rare, or invasive," said David Giblin, collection manager for the UW Herbarium at the Burke Museum. "It enhances our ability to preserve plant diversity in our region for future generations."

This completely revised and updated edition captures the advances in vascular plant systematics since the first edition. These advances, together with significant changes in plant nomenclature, the description of taxa new to science from the region, and the recent documentation of new native and nonnative species in the Pacific Northwest, required a thorough revision of this authoritative work.