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

Brown University - Algae
Catalog #: ABRU00004772
F. S. Collins s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Flag Pond, Eastham, MA

University of Michigan
Catalog #: 736571
F.S. Collins #s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Barnstable, Flag Pond, Eastham

University of Michigan
Catalog #: 736572
F.S. Collins #s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Barnstable, Flag Pond, Eastham

Michigan State University Algae
Catalog #: MSC0185286
F.S. Collins #s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Barnstable, Flag Pond, Eastham

Miami University - Algae
Catalog #: 000196619
F.S. Collins #s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Barnstable, Flag Pond, Eastham

Yale University Herbarium
Catalog #: YU.095239
Frank Shipley Collins s.n. 15 September 1912
Xanthidium concinnum W.Archer
United States, Massachusetts, Barnstable, Eastham; Flag Pond, Eastham, MA