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

Brown University - Algae
Catalog #: ABRU00002979
I. Holden s.n.
Phyllophora membranifolia Endlicher
United States, Connecticut, Penfield Reef, Long Island Sound, near Bridgeport, CT

Yale University Herbarium
Catalog #: YU.091461
Isaac Holden s.n. 00 September 1897
Phyllophora membranifolia Endlicher
United States, Connecticut, Penfield Reef, near Bridgeport, CT

University of Michigan
Catalog #: 666323
Isaac Holden #s.n. 00 September 1897
Phyllophora pseudoceranoides (S.G.Gmelin) Newroth & A.R.A.Taylor
United States, Connecticut, Penfield Reef, Long Island Sound, near Bridgeport

University of Michigan
Catalog #: 666325
Isaac Holden #s.n. 00 September 1897
Phyllophora pseudoceranoides (S.G.Gmelin) Newroth & A.R.A.Taylor
United States, Connecticut, Penfield Reef, Long Island Sound, near Bridgeport

Michigan State University Algae
Catalog #: MSC0184065
Isaac Holden #s.n. 00 September 1897
Phyllophora pseudoceranoides (S.G.Gmelin) Newroth & A.R.A.Taylor
United States, Connecticut, Fairfield, Penfield Reef, Long Island Sound, near Bridgeport

Miami University - Algae
Catalog #: 000186790
Isaac Holden #s.n. 00 September 1897
Phyllophora membranifolia Endlicher
United States, Connecticut, Penfield Reef, Long Island Sound, near Bridgeport