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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Calothrix vivipara
BISH 550520 · Drouet, F.E., 1937
Dukes County; Penikese Island west shor
Calothrix scopulorum
BISH 550523 · Drouet, F.E.; Richards, D., 1939
Mexico
Calothrix confervicola
BISH 550761 · Drouet, F.E., 1936
Woods Hole, Grassy Island
Calothrix confervicola
BISH 550766 · Drouet, F.E., 1937
Falmouth, Nobska Point
Cylindrospermum muscicola
BISH 550836 · Drouet, F.E.; et al., 1949
Santa Cruz
Cylindrospermum licheniforme
BISH 550840 · Drouet, F.E.; Richards, D., 1941
Trinity County; Weaverville, Weaver Creek
Hassallia byssoidea
BISH 551128 · Drouet, F.E.; MacBride, J.F., 1941
Merced County; five miles east of Los Banos
Nostoc carneum
BISH 552399 · Drouet, F.E.; et al., 1939
Mexico
Nostoc punctiforme
BISH 552404 · Drouet, F.E.; et al., 1941
Davis County; salt marsh beside Great Salt lake, west of Centerville
Nostoc pruniforme
BISH 552408 · Drouet, F.E.; Richards, D., 1941
Trinity County; Weaver Creek, northwest of Weaverville
Rivularia biasolettiana
BISH 553223 · Drouet, F.E.; Wolle, P.W., 1940
Tangier Sound, near Prickly Point, Fairmount
Cylindrospermum catenatum
BISH 699899 · Drouet, F.E.; Lauderbeck, H., 1944
Near Feasons Creek, 2 miles north of Charles