1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Betula alleghaniensis
BISH 1001680 · Cottam, W.P., 1938
Canada
BISH 576990 · St.John, H., 1914
Sullivan Co.; Mt. Sunapee
BISH 624267 · Cottam, W.P., 1938
