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Phormidium papyraceum

BISH 552665 · Bernatowicz, A.J., 1949

Bermuda

Phormidium submembranaceum

BISH 552666 · Bernatowicz, A.J., 1949

Nonsuch, Bermuda

Phormidium submembranaceum

BISH 552668 · Doty, M.S., 1947

Plymouth

Phormidium persicinum

BISH 552671 · Davis, B.M.

Wood's Hole, Marine Biological Laboratory

Phormidium luridum

BISH 552672 · Gardner, N.L., 1906

Berkeley, University of California Campus

Phormidium

BISH 552673 · Gardner, N.L., 1906

San Francisco, Golden Gate Park, Stow Lake

Phormidium luridum

BISH 552674 · Collins, F.S., 1913

Bermuda

Phormidium retzii

BISH 552675 · Collins, F.S., 1913

Bermuda

Phormidium favosum

BISH 552677 · Collins, F.S., 1910

Eastham, Salt Pond shore

Phormidium molle

BISH 552678 · Gardner, N.L., 1906

Berkeley

Phormidium autumale

BISH 552679 · Osterhout, W.J.V.

Marin County; Mount Tamalpais, Rock Springs

Phormidium retzii

BISH 552680 · Collins, F.S., 1910

Eastham, Great Pond

Phormidium retzii

BISH 552681 · Tilden, J.E., 1901

Duluth, Minnesota Point

Phormidium uncinatum

BISH 552683 · Hillesheim, C., 1901

Minneapolis, Bridal Veil Falls

Phormidium uncinatum

BISH 552684 · H.L.D., 1896

Aberdeen

Phormidium corium

BISH 552685 · Green, H.A., 1898

Chester County

Phormidium autumale

BISH 552686 · Tilden, J.E., 1901

Between New Duluth & Fond du Lac, near Duluth

Phormidium

BISH 552688 · Bernatowicz, A.J., 1951

Narranganset Bay

Phormidium

BISH 552689 · Doty, M.S., 1958

Cebu, Philippines

Phormidium penicillatum

BISH 552690 · Newhouse, J.W., 1954

Kapingamarangi Atoll, Micronesia

Phormidium

BISH 552691 · Newhouse, J.W., 1967

Tahiti, French Polynesia

Phormidium penicillatum

BISH 552693 · Newhouse, J.W., 1954

Kapingamarangi Atoll, Micronesia

Phormidium penicillatum

BISH 552695 · Newhouse, J.W., 1954

Kapingamarangi Atoll, Micronesia

Phormidium penicillatum

BISH 552696 · Newhouse, J.W., 1954

Kapingamarangi Atoll, Micronesia