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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Acer negundo
BISH 403646 · de Buhr, L., 1969
Dickensen Co. Iowa Lakeside Lab on the west shore of Lake Okebeji
Rhus glabra
BISH 403648 · de Buhr, L., 1969
Dickensen, Lakeside Lab, W shore of Lake Okoboji
Juniperus virginiana
BISH 403651 · de Buhr, L., 1969
Dickenson, Lakeside Lab, W shore of Lake Okebeji, front of field biology lab
Ostrya virginiana
BISH 403657 · de Buhr, L., 1969
Iowa Lakeside Lab on the west shore of Lake Okoboji
Dulichium arundinaceum
BISH 403666 · de Buhr, L.; Tilforth, C., 1972
Sierra, Plumas National Forest, N of Goose Lake
Ephedra
BISH 403713 · de Buhr, L.; Wallace, G., 1973
Inyo, Death Valley, N of Wildrose Ranger Station
Ostrya virginiana
BISH 741753 · de Buhr, L., 1969
