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Nitella megacarpa

BISH 548480 · Collins, F.S., 1908

Tewksbury, Round Pond

Nitella morongii

BISH 548481 · Collins, F.S., 1896

Nantucket, near Siasconset

Nitella confervacea

BISH 548482 · Collins, F.S., 1911

Central Park Pond, Dover

Ochlochaete hystrix

BISH 548500 · Collins, F.S., 1908

Salt Pond, Eastham

Stauridium tetras

BISH 548651 · Collins, F.S., 1909

Cedar Pond, Orleans

Haplotaenium minutum

BISH 548718 · Collins, F.S., 1911

Lost Pond, Brookline

Percursaria percursa

BISH 548719 · Collins, F.S.

Kennebunkport

Pringsheimiella scutata

BISH 548773 · Collins, F.S., 1908

Salt Pond, Eastham

Staurodesmus dickiei

BISH 549077 · Collins, F.S., 1911

Hemlock Pool, Middlesex Fells

Ulothrix implexa

BISH 549081 · Collins, F.S., 1911

Central Park Pond, Dover

Amphithrix

BISH 550264 · Collins, F.S., 1908

Salem, Juniper Point

Anabaena inaequalis

BISH 550269 · Collins, F.S., 1911

Cranston, Washington's Pond

Anabaena laxa

BISH 550270 · Collins, F.S., 1905

Lynn Woods, Penny Brook

Anabaena oscillarioides

BISH 550273 · Collins, F.S., 1908

Eastham

Anabaena torulosa

BISH 550274 · Collins, F.S., 1906

Mattapoisett

Anabaena variabilis

BISH 550275 · Collins, F.S., 1908

Ragged

Arthrospira jenneri

BISH 550403 · Collins, F.S., 1908

Wilmington, Silver Lake

Staurodesmus convergens

BISH 550405 · Collins, F.S., 1910

Eastham

Calothrix fusca

BISH 550444 · Collins, F.S., 1906

Lake Chocorua

Calothrix parietina

BISH 550565 · Collins, F.S., 1906

Lincoln

Calothrix parietina

BISH 550568 · Collins, F.S., 1900

Mount Desert, Long pond

Calothrix confervicola

BISH 550760 · Collins, F.S., 1905

Harpswell,Stover's Point

Calothrix crustacea

BISH 550787 · Collins, F.S., 1906

Mattapoisett

Clathrocystis roseo-persicina

BISH 550821 · Collins, F.S., 1909

Eastham, "Sunken Meadows"