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

Brown University - Algae
Catalog #: ABRU00004324
N. L. Gardner s.n. 15 May 1909
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Arroyo Seco, Pasadena, CA

University of Michigan
Catalog #: 727758
N.L. Gardner #s.n. 15 May 1909
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Los Angeles, Arroyo Seco, Pasadena

University of Michigan
Catalog #: 727765
N.L. Gardner #s.n. 15 May 1909
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Los Angeles, Arroyo Seco, Pasadena

Michigan State University Algae
Catalog #: MSC0182500
N.L. Gardner #s.n. 15 May 1909
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Los Angeles, Arroyo Seco, Pasadena

Miami University - Algae
Catalog #: 000189050
N.L. Gardner #s.n.
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Los Angeles, Arroyo Seco, Pasadena

Yale University Herbarium
Catalog #: YU.094632
Nathaniel Lyon Gardner s.n. 15 May 1909
Draparnaldia acuta (C.Agardh) Kützing
United States, California, Los Angeles, Padadena; Arroyo Seco, Pasadena, CA