Flora of the Pacific Northwest : an illustrated manual
C. Leo Hitchcock (Author), Arthur Cronquist (Author), David Giblin (Editor), Ben Legler (Editor), Peter F. Zika (Editor), Richard G. Olmstead (Editor)
"Flora of the Pacific Northwest covers all of Washington, the northern half of Oregon, Idaho north of the Snake River Plain, the mountainous portion of western Montana, and the southern portion of British Columbia. It accounts for the wild-growing native and introduced vascular plants falling within those boundaries."-- Provided by publisher
eBook, English, 2018
Second edition
University of Washington Press, Seattle, 2018