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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Calliergon cordifolium
BISH 436800
Halbert, R.; Price, N., 1969
Canada
Calliergon cordifolium
BISH 461001
Townsend, C.C., 1977
United Kingdom
Calliergon cordifolium
BISH 463860
Tarnlund, A., 1922
Sweden
Calliergon cordifolium
BISH 463862
Hand, C.H., 1939
Canada
Calliergon cordifolium
BISH 463863
Sharpe, A.J., 1958
Shallow pool at the point, Barrow.
Calliergon cordifolium
BISH 463864
de Degen, A., 1925
Hungary
Calliergon cordifolium
BISH 463865
Fagersten, R., 1973
Finland
Calliergon cordifolium
BISH 463866
Ochyra, R., 1973
Poland
Calliergon cordifolium
BISH 463867
Ochyra, R., 1973
Poland
Calliergon cordifolium
BISH 463868
Conenauole, H., 1975
Russia
Calliergon cordifolium
BISH 463869
Pilous, Z., 1956
Czechia
Calliergon cordifolium
BISH 791298
Reid, A.; Woodward, J.
In woods off Hemlock Path, Boxford Wildlife Preserve, Essex Co., Mass., U.S.A.