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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Acrosiphonia arcta
BISH 544364
Durant, C.F.
Bay and Harbor of NY
Acrosiphonia arcta
BISH 544365
Gray
Rocky Point, Narragansett Bay
Acrosiphonia arcta
BISH 544366
Holden, I.
Bridgeport, Seaside Park
Acrosiphonia arcta
BISH 544367
Vahl
Greenland, Denmark
Acrosiphonia arcta
BISH 544368
Tilden, J.E., 1898
Canada
Acrosiphonia arcta
BISH 544369
Tilden, J.E., 1898
San Juan
Acrosiphonia arcta
BISH 544370
Verrill, A.E.
Casco Bay
Acrosiphonia arcta
BISH 544371
Tilden, J.E., 1898
San Juan
Acrosiphonia arcta
BISH 544373
Verrill, A.E.
Eastport
Acrosiphonia arcta
BISH 544374
Eaton, D.C., 1972
Bay Ridge
Acrosiphonia arcta
BISH 640016
Bagnell, C.F., 1975
Canada
Acrosiphonia arcta
BISH 686745
Hehre, E.J.; Hodgdon, A.R.; Pike, R.B.; Stone, R.A., 1968
South Wolf, Canada
Acrosiphonia arcta
BISH 686746
Conway, J.R., 1966
Canada