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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Betula pendula
BISH 17226 · St.John, H., 1913
Sable Island, Canada
Alnus alnobetula
BISH 615104 · Vitt, D.H., 1981
Canada
Alnus alnobetula
BISH 615105 · Lemieux, G., 1978
Canada
Betula glandulosa
BISH 615106 · Lemieux, G., 1978
Canada
Betula papyrifera
BISH 615109 · Vitt, D.H., 1981
Canada
Betula alleghaniensis
BISH 1001680 · Cottam, W.P., 1938
Canada
Betula pubescens
BISH 17225 · St.John, H., 1913
Sable Island, Canada
Alnus incana
BISH 615103 · Bregeron, B., 1974
Canada
Betula pubescens
BISH 624266 · Cottam, W.P., 1938
Canada
Betula alleghaniensis
BISH 624267 · Cottam, W.P., 1938
Canada
Alnus incana
BISH 752654 · Miller, B., 1952
Canada
Betula papyrifera
BISH 752903 · Marshall, H.H., 1974
Canada
Alnus incana
BISH 753817 · Cody, W.J., 1964
Canada