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

Field Museum of Natural History
Catalog #: C0626103F
Miss S. P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh
United States, California, Los Angeles, washed ashore, San Pedro

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00230670
db1ccbe8-3c6f-42d2-918a-d6bcf053f78e
Miss S. P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh
United States, California, Los Angeles, San Pedro

Brown University - Algae
Catalog #: ABRU00005174
S. P. Monks s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh
United States, California, Los Angeles, Los Angeles; San Pedro, CA

University of Michigan
Catalog #: 612038
S.P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh, 1820
United States, California, Los Angeles, San Pedro

University of Michigan
Catalog #: 612051
S.P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh, 1820
United States, California, Los Angeles, San Pedro

Michigan State University Algae
Catalog #: MSC0183358
S.P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh
United States, California, Los Angeles, San Pedro

Miami University - Algae
Catalog #: 000210654
S.P. Monks #s.n.
Macrocystis pyrifera (Linnaeus) C.Agardh
United States, California, Los Angeles, San Pedro