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

Brown University - Algae
Catalog #: ABRU00003101
Mrs. W. C. Simmons s.n.
Chordaria flagelliformis f. densa Farlow
United States, Rhode Island, Jamestown; Conanicut Island, RI

Yale University Herbarium
Catalog #: YU.091564
Mrs. W. C. Simmons s.n. 00 June 1898
Chordaria flagelliformis f. densa Farlow
United States, Rhode Island, Newport, Jamestown; Conanicut Island, RI

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00222904
2eb6deb2-e0c5-47e5-940a-7e54be3b4dc5
Mrs. W. C. Simmons #s.n. 00 June 1898
Chordaria flagelliformis (O.F.M
United States, Rhode Island, Newport, Conanicut Island

University of Michigan
Catalog #: 631408
Mrs. W.C. Simmons #s.n. 00 June 1898
Chordaria flagelliformis f. densa Farlow
United States, Rhode Island, Conanicut Island

University of Michigan
Catalog #: 631419
Mrs. W.C. Simmons #s.n. 00 June 1898
Chordaria flagelliformis f. densa Farlow
United States, Rhode Island, Conanicut Island

Michigan State University Algae
Catalog #: MSC0181849
Mrs. W.C. Simmons #s.n. 00 June 1898
Chordaria flagelliformis f. chordaeformis Kjellman
United States, Rhode Island, Newport, Conanicut Island

Miami University - Algae
Catalog #: 000186889
Mrs. W.C. Simmons #s.n. 00 June 1898
Chordaria flagelliformis var. densa
United States, Rhode Island, Conanicut Island