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

Brown University - Algae
Catalog #: ABRU00003083
H. M. Richards s.n.
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Massachusetts, Lynn marshes, Lynn, MA

Miami University - Algae
Catalog #: 000186873
H. M. Richards #s.n. 00 May 1898
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Lynn marshes, Lynn

Michigan State University Algae
Catalog #: MSC0183968
H.M. Richards #s.n. 00 May 1898
Percursaria percursa (C.Agardh) Rosenvinge
United States, Massachusetts, Essex, Lynn marshes

University of Michigan
Catalog #: 727918
Herbert M. Richards #s.n. 00 May 1898
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Lynn marshes, Lynn

University of Michigan
Catalog #: 731090
Herbert M. Richards #s.n. 00 May 1898
Percursaria percursa (C.Agardh) Rosenvinge
United States, Massachusetts, Essex, Lynn marshes, Lynn

Yale University Herbarium
Catalog #: YU.091551
Herbert Maule Richards s.n. 00 May 1898
Enteromorpha percursa (C.Agardh) J.Agardh
United States, Massachusetts, Essex, Lynn; Lynn marshes, Lynn, MA