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

Brown University - Algae
Catalog #: ABRU00004871
A. B. Hervey s.n.
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay, Bermuda

Field Museum of Natural History
Catalog #: C0532746F
A. B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

Field Museum of Natural History
Catalog #: C0532746
A. B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

University of Michigan
Catalog #: 731056
A.B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

University of Michigan
Catalog #: 731065
A.B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

Michigan State University Algae
Catalog #: MSC0183965
A.B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

Miami University - Algae
Catalog #: 000210109
A.B. Hervey #s.n. 00 October 1914
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay

Yale University Herbarium
Catalog #: YU.095340
Alpheus Baker Hervey s.n.
Penicillus pyriformis A.Gepp & E.S.Gepp
Bermuda, Harris Bay, Bermuda