Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00005112
I. F. Lewis s.n.
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Woods Hole, MA

Field Museum of Natural History
Catalog #: C0519730F
I. F. Lewis #s.n. 00 August 1917
Microspyphar porphyrae
United States, Massachusetts, Barnstable, Woods Hole

University Herbarium, University of California, Berkeley
Catalog #: UC1833919
I. F. Lewis #s.n. 00 August 1917
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Barnstable, Woods Hole

University of Michigan
Catalog #: 636597
I.F. Lewis #s.n. 00 August 1917
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Barnstable, Woods Hole

University of Michigan
Catalog #: 636599
I.F. Lewis #s.n. 00 August 1917
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Barnstable, Woods Hole

Michigan State University Algae
Catalog #: MSC0183528
I.F. Lewis #s.n. 00 August 1917
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Barnstable, Woods Hole

Miami University - Algae
Catalog #: 000210327
I.F. Lewis #s.n. 00 August 1917
Microsyphar porphyrae
United States, Massachusetts, Barnstable, Woods Hole

Yale University Herbarium
Catalog #: YU.095576
Ivey Foreman Lewis s.n.
Mikrosyphar porphyrae Kuckuck
United States, Massachusetts, Falmouth; Woods Hole, MA