Website Link:
https://uwapress.uw.edu/book/9780295742885/flora-of-the-pacific-northwest/
Journal Reference:
936 pgs. ISBN: 9780295742885
Notes:
Completely revised and updated from the first 1973 edition, with more than 1000 taxa and 1300 illustrations added, and names updated for over 40% of the taxa. Covers all of the wild-growing native and introduced vascular plants in 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.