1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Ostrya virginiana
BISH 403657 · de Buhr, L., 1969
Iowa Lakeside Lab on the west shore of Lake Okoboji
BISH 741753 · de Buhr, L., 1969
