1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
1 specimen
Artemisia ludoviciana
BISH 629436 · Halse, R.R.; Glad, J., 1991
Multnomah, Portland, Pearcy Island, Kelley Point, jct. of Willamette and Columbia Rivers
